Home / 87,277.68-130,916.49-28,114.47

Finding the Fourth Proportional to 87,277.68, 130,916.49 and 28,114.47

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Solution

The fourth proportional to 87,277.68, 130,916.49 and 28,114.47 is: 42,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,277.68 : 130,916.49 = 28,114.47 : x
  2. Step 2: Convert to fraction form
    87,277.68/130,916.49 = 28,114.47/x
  3. Step 3: Cross multiply
    87,277.68x = 130,916.49 × 28,114.47
  4. Step 4: Simplify right side
    87,277.68x = 3,680,647,730.61
  5. Step 5: Solve for x
    x = 3,680,647,730.61/87,277.68
  6. Step 6: Final answer
    x = 42,171.70

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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.