Home / 138,541.35-207,781.86-37,337.04

Finding the Fourth Proportional to 138,541.35, 207,781.86 and 37,337.04

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Solution

The fourth proportional to 138,541.35, 207,781.86 and 37,337.04 is: 55,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,541.35 : 207,781.86 = 37,337.04 : x
  2. Step 2: Convert to fraction form
    138,541.35/207,781.86 = 37,337.04/x
  3. Step 3: Cross multiply
    138,541.35x = 207,781.86 × 37,337.04
  4. Step 4: Simplify right side
    138,541.35x = 7,757,959,618.09
  5. Step 5: Solve for x
    x = 7,757,959,618.09/138,541.35
  6. Step 6: Final answer
    x = 55,997.43

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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.