Home / 87,511.17-131,260.38-34,193.16

Finding the Fourth Proportional to 87,511.17, 131,260.38 and 34,193.16

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Solution

The fourth proportional to 87,511.17, 131,260.38 and 34,193.16 is: 51,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,511.17 : 131,260.38 = 34,193.16 : x
  2. Step 2: Convert to fraction form
    87,511.17/131,260.38 = 34,193.16/x
  3. Step 3: Cross multiply
    87,511.17x = 131,260.38 × 34,193.16
  4. Step 4: Simplify right side
    87,511.17x = 4,488,207,175.00
  5. Step 5: Solve for x
    x = 4,488,207,175.00/87,511.17
  6. Step 6: Final answer
    x = 51,287.25

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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.