Home / 87,248.04-130,625.56-71,142.10

Finding the Fourth Proportional to 87,248.04, 130,625.56 and 71,142.10

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Solution

The fourth proportional to 87,248.04, 130,625.56 and 71,142.10 is: 106,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248.04 : 130,625.56 = 71,142.10 : x
  2. Step 2: Convert to fraction form
    87,248.04/130,625.56 = 71,142.10/x
  3. Step 3: Cross multiply
    87,248.04x = 130,625.56 × 71,142.10
  4. Step 4: Simplify right side
    87,248.04x = 9,292,976,414.44
  5. Step 5: Solve for x
    x = 9,292,976,414.44/87,248.04
  6. Step 6: Final answer
    x = 106,512.16

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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.