Home / 87,151.73-120,246.05-49,425.17

Finding the Fourth Proportional to 87,151.73, 120,246.05 and 49,425.17

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Solution

The fourth proportional to 87,151.73, 120,246.05 and 49,425.17 is: 68,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,151.73 : 120,246.05 = 49,425.17 : x
  2. Step 2: Convert to fraction form
    87,151.73/120,246.05 = 49,425.17/x
  3. Step 3: Cross multiply
    87,151.73x = 120,246.05 × 49,425.17
  4. Step 4: Simplify right side
    87,151.73x = 5,943,180,985.41
  5. Step 5: Solve for x
    x = 5,943,180,985.41/87,151.73
  6. Step 6: Final answer
    x = 68,193.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.