Home / 84,270.25-126,233.12-39,223.52

Finding the Fourth Proportional to 84,270.25, 126,233.12 and 39,223.52

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Solution

The fourth proportional to 84,270.25, 126,233.12 and 39,223.52 is: 58,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,270.25 : 126,233.12 = 39,223.52 : x
  2. Step 2: Convert to fraction form
    84,270.25/126,233.12 = 39,223.52/x
  3. Step 3: Cross multiply
    84,270.25x = 126,233.12 × 39,223.52
  4. Step 4: Simplify right side
    84,270.25x = 4,951,306,773.88
  5. Step 5: Solve for x
    x = 4,951,306,773.88/84,270.25
  6. Step 6: Final answer
    x = 58,755.10

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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.