Home / 87,450.50-131,197.89-25,121

Finding the Fourth Proportional to 87,450.50, 131,197.89 and 25,121

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Solution

The fourth proportional to 87,450.50, 131,197.89 and 25,121 is: 37,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,450.50 : 131,197.89 = 25,121 : x
  2. Step 2: Convert to fraction form
    87,450.50/131,197.89 = 25,121/x
  3. Step 3: Cross multiply
    87,450.50x = 131,197.89 × 25,121
  4. Step 4: Simplify right side
    87,450.50x = 3,295,822,194.69
  5. Step 5: Solve for x
    x = 3,295,822,194.69/87,450.50
  6. Step 6: Final answer
    x = 37,687.86

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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.