Home / 87,308.60-130,755.54-62,287.16

Finding the Fourth Proportional to 87,308.60, 130,755.54 and 62,287.16

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Solution

The fourth proportional to 87,308.60, 130,755.54 and 62,287.16 is: 93,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308.60 : 130,755.54 = 62,287.16 : x
  2. Step 2: Convert to fraction form
    87,308.60/130,755.54 = 62,287.16/x
  3. Step 3: Cross multiply
    87,308.60x = 130,755.54 × 62,287.16
  4. Step 4: Simplify right side
    87,308.60x = 8,144,391,240.87
  5. Step 5: Solve for x
    x = 8,144,391,240.87/87,308.60
  6. Step 6: Final answer
    x = 93,282.81

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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.