Home / 87,456-131,206.20-25,126.56

Finding the Fourth Proportional to 87,456, 131,206.20 and 25,126.56

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Solution

The fourth proportional to 87,456, 131,206.20 and 25,126.56 is: 37,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,456 : 131,206.20 = 25,126.56 : x
  2. Step 2: Convert to fraction form
    87,456/131,206.20 = 25,126.56/x
  3. Step 3: Cross multiply
    87,456x = 131,206.20 × 25,126.56
  4. Step 4: Simplify right side
    87,456x = 3,296,760,456.67
  5. Step 5: Solve for x
    x = 3,296,760,456.67/87,456
  6. Step 6: Final answer
    x = 37,696.22

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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.