app004.py

import tkinter as tk

base = 75
w_ratio = 3
h_ratio = 4
width = w_ratio*base
height = h_ratio*base
screen = f"{width}x{height}+300+400"

window = tk.Tk()
window.title("App004")
window.geometry(screen)

frame01 = tk.Frame(bg="grey", height=height//4)
frame01.pack(fill="both")

frame02 = tk.Frame(bg="orange", width=width//2)
frame02.pack(fill="both", expand=True)

frame03 = tk.Frame(frame02, bg="blue", width=width//2, height=3*height//4)
frame03.pack(side="right", fill="y")

frame04 = tk.Frame(frame03, bg="black", width=width//2, height=3*height//16)
frame04.pack(side="bottom")

window.mainloop()