Home / 87,250.98-130,915.34-45,688.26

Finding the Fourth Proportional to 87,250.98, 130,915.34 and 45,688.26

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Solution

The fourth proportional to 87,250.98, 130,915.34 and 45,688.26 is: 68,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,250.98 : 130,915.34 = 45,688.26 : x
  2. Step 2: Convert to fraction form
    87,250.98/130,915.34 = 45,688.26/x
  3. Step 3: Cross multiply
    87,250.98x = 130,915.34 × 45,688.26
  4. Step 4: Simplify right side
    87,250.98x = 5,981,294,091.91
  5. Step 5: Solve for x
    x = 5,981,294,091.91/87,250.98
  6. Step 6: Final answer
    x = 68,552.74

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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.