Home / 87,460-131,212.20-25,130.56

Finding the Fourth Proportional to 87,460, 131,212.20 and 25,130.56

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Solution

The fourth proportional to 87,460, 131,212.20 and 25,130.56 is: 37,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,460 : 131,212.20 = 25,130.56 : x
  2. Step 2: Convert to fraction form
    87,460/131,212.20 = 25,130.56/x
  3. Step 3: Cross multiply
    87,460x = 131,212.20 × 25,130.56
  4. Step 4: Simplify right side
    87,460x = 3,297,436,064.83
  5. Step 5: Solve for x
    x = 3,297,436,064.83/87,460
  6. Step 6: Final answer
    x = 37,702.22

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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.