Home / 87,147.08-130,717.98-27,982.52

Finding the Fourth Proportional to 87,147.08, 130,717.98 and 27,982.52

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Solution

The fourth proportional to 87,147.08, 130,717.98 and 27,982.52 is: 41,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,147.08 : 130,717.98 = 27,982.52 : x
  2. Step 2: Convert to fraction form
    87,147.08/130,717.98 = 27,982.52/x
  3. Step 3: Cross multiply
    87,147.08x = 130,717.98 × 27,982.52
  4. Step 4: Simplify right side
    87,147.08x = 3,657,818,489.71
  5. Step 5: Solve for x
    x = 3,657,818,489.71/87,147.08
  6. Step 6: Final answer
    x = 41,972.93

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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.