Home / 138,097.19-207,145.98-42,035.24

Finding the Fourth Proportional to 138,097.19, 207,145.98 and 42,035.24

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Solution

The fourth proportional to 138,097.19, 207,145.98 and 42,035.24 is: 63,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,097.19 : 207,145.98 = 42,035.24 : x
  2. Step 2: Convert to fraction form
    138,097.19/207,145.98 = 42,035.24/x
  3. Step 3: Cross multiply
    138,097.19x = 207,145.98 × 42,035.24
  4. Step 4: Simplify right side
    138,097.19x = 8,707,429,948.61
  5. Step 5: Solve for x
    x = 8,707,429,948.61/138,097.19
  6. Step 6: Final answer
    x = 63,052.91

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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.