Home / 150,154.02-207,206.28-89,757.90

Finding the Fourth Proportional to 150,154.02, 207,206.28 and 89,757.90

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Solution

The fourth proportional to 150,154.02, 207,206.28 and 89,757.90 is: 123,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,154.02 : 207,206.28 = 89,757.90 : x
  2. Step 2: Convert to fraction form
    150,154.02/207,206.28 = 89,757.90/x
  3. Step 3: Cross multiply
    150,154.02x = 207,206.28 × 89,757.90
  4. Step 4: Simplify right side
    150,154.02x = 18,598,400,559.61
  5. Step 5: Solve for x
    x = 18,598,400,559.61/150,154.02
  6. Step 6: Final answer
    x = 123,862.16

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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.