Home / 87,453.98-131,180.97-83,204.72

Finding the Fourth Proportional to 87,453.98, 131,180.97 and 83,204.72

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Solution

The fourth proportional to 87,453.98, 131,180.97 and 83,204.72 is: 124,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,453.98 : 131,180.97 = 83,204.72 : x
  2. Step 2: Convert to fraction form
    87,453.98/131,180.97 = 83,204.72/x
  3. Step 3: Cross multiply
    87,453.98x = 131,180.97 × 83,204.72
  4. Step 4: Simplify right side
    87,453.98x = 10,914,876,518.15
  5. Step 5: Solve for x
    x = 10,914,876,518.15/87,453.98
  6. Step 6: Final answer
    x = 124,807.08

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Similar ratio
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1.5x scale

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.