Home / 87,870.20-131,476.02-52,200.92

Finding the Fourth Proportional to 87,870.20, 131,476.02 and 52,200.92

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Solution

The fourth proportional to 87,870.20, 131,476.02 and 52,200.92 is: 78,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,870.20 : 131,476.02 = 52,200.92 : x
  2. Step 2: Convert to fraction form
    87,870.20/131,476.02 = 52,200.92/x
  3. Step 3: Cross multiply
    87,870.20x = 131,476.02 × 52,200.92
  4. Step 4: Simplify right side
    87,870.20x = 6,863,169,201.94
  5. Step 5: Solve for x
    x = 6,863,169,201.94/87,870.20
  6. Step 6: Final answer
    x = 78,105.77

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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.