Home / 87,251.40-130,704.30-52,086.60

Finding the Fourth Proportional to 87,251.40, 130,704.30 and 52,086.60

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Solution

The fourth proportional to 87,251.40, 130,704.30 and 52,086.60 is: 78,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,251.40 : 130,704.30 = 52,086.60 : x
  2. Step 2: Convert to fraction form
    87,251.40/130,704.30 = 52,086.60/x
  3. Step 3: Cross multiply
    87,251.40x = 130,704.30 × 52,086.60
  4. Step 4: Simplify right side
    87,251.40x = 6,807,942,592.38
  5. Step 5: Solve for x
    x = 6,807,942,592.38/87,251.40
  6. Step 6: Final answer
    x = 78,026.74

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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.