Home / 150,418.20-207,542.61-89,979.24

Finding the Fourth Proportional to 150,418.20, 207,542.61 and 89,979.24

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Solution

The fourth proportional to 150,418.20, 207,542.61 and 89,979.24 is: 124,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,418.20 : 207,542.61 = 89,979.24 : x
  2. Step 2: Convert to fraction form
    150,418.20/207,542.61 = 89,979.24/x
  3. Step 3: Cross multiply
    150,418.20x = 207,542.61 × 89,979.24
  4. Step 4: Simplify right side
    150,418.20x = 18,674,526,315.42
  5. Step 5: Solve for x
    x = 18,674,526,315.42/150,418.20
  6. Step 6: Final answer
    x = 124,150.71

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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.