Home / 102,581.52-153,892.20-39,397

Finding the Fourth Proportional to 102,581.52, 153,892.20 and 39,397

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Solution

The fourth proportional to 102,581.52, 153,892.20 and 39,397 is: 59,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,581.52 : 153,892.20 = 39,397 : x
  2. Step 2: Convert to fraction form
    102,581.52/153,892.20 = 39,397/x
  3. Step 3: Cross multiply
    102,581.52x = 153,892.20 × 39,397
  4. Step 4: Simplify right side
    102,581.52x = 6,062,891,003.40
  5. Step 5: Solve for x
    x = 6,062,891,003.40/102,581.52
  6. Step 6: Final answer
    x = 59,103.15

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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.