Home / 150,319.80-207,200.43-101,906.91

Finding the Fourth Proportional to 150,319.80, 207,200.43 and 101,906.91

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Solution

The fourth proportional to 150,319.80, 207,200.43 and 101,906.91 is: 140,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,319.80 : 207,200.43 = 101,906.91 : x
  2. Step 2: Convert to fraction form
    150,319.80/207,200.43 = 101,906.91/x
  3. Step 3: Cross multiply
    150,319.80x = 207,200.43 × 101,906.91
  4. Step 4: Simplify right side
    150,319.80x = 21,115,155,571.97
  5. Step 5: Solve for x
    x = 21,115,155,571.97/150,319.80
  6. Step 6: Final answer
    x = 140,468.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.