Home / 121,839.68-182,757.60-38,732.48

Finding the Fourth Proportional to 121,839.68, 182,757.60 and 38,732.48

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Solution

The fourth proportional to 121,839.68, 182,757.60 and 38,732.48 is: 58,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,839.68 : 182,757.60 = 38,732.48 : x
  2. Step 2: Convert to fraction form
    121,839.68/182,757.60 = 38,732.48/x
  3. Step 3: Cross multiply
    121,839.68x = 182,757.60 × 38,732.48
  4. Step 4: Simplify right side
    121,839.68x = 7,078,655,086.85
  5. Step 5: Solve for x
    x = 7,078,655,086.85/121,839.68
  6. Step 6: Final answer
    x = 58,098.11

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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.