Home / 87,453.08-131,010.45-73,244.40

Finding the Fourth Proportional to 87,453.08, 131,010.45 and 73,244.40

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Solution

The fourth proportional to 87,453.08, 131,010.45 and 73,244.40 is: 109,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,453.08 : 131,010.45 = 73,244.40 : x
  2. Step 2: Convert to fraction form
    87,453.08/131,010.45 = 73,244.40/x
  3. Step 3: Cross multiply
    87,453.08x = 131,010.45 × 73,244.40
  4. Step 4: Simplify right side
    87,453.08x = 9,595,781,803.98
  5. Step 5: Solve for x
    x = 9,595,781,803.98/87,453.08
  6. Step 6: Final answer
    x = 109,724.92

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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.