Home / 138,033.05-207,049.89-41,971.14

Finding the Fourth Proportional to 138,033.05, 207,049.89 and 41,971.14

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Solution

The fourth proportional to 138,033.05, 207,049.89 and 41,971.14 is: 62,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,033.05 : 207,049.89 = 41,971.14 : x
  2. Step 2: Convert to fraction form
    138,033.05/207,049.89 = 41,971.14/x
  3. Step 3: Cross multiply
    138,033.05x = 207,049.89 × 41,971.14
  4. Step 4: Simplify right side
    138,033.05x = 8,690,119,920.17
  5. Step 5: Solve for x
    x = 8,690,119,920.17/138,033.05
  6. Step 6: Final answer
    x = 62,956.81

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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.