Home / 138,788.11-208,151.02-63,836.24

Finding the Fourth Proportional to 138,788.11, 208,151.02 and 63,836.24

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Solution

The fourth proportional to 138,788.11, 208,151.02 and 63,836.24 is: 95,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,788.11 : 208,151.02 = 63,836.24 : x
  2. Step 2: Convert to fraction form
    138,788.11/208,151.02 = 63,836.24/x
  3. Step 3: Cross multiply
    138,788.11x = 208,151.02 × 63,836.24
  4. Step 4: Simplify right side
    138,788.11x = 13,287,578,149.78
  5. Step 5: Solve for x
    x = 13,287,578,149.78/138,788.11
  6. Step 6: Final answer
    x = 95,740.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.