Home / 87,244.20-130,607.10-52,165.80

Finding the Fourth Proportional to 87,244.20, 130,607.10 and 52,165.80

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Solution

The fourth proportional to 87,244.20, 130,607.10 and 52,165.80 is: 78,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.20 : 130,607.10 = 52,165.80 : x
  2. Step 2: Convert to fraction form
    87,244.20/130,607.10 = 52,165.80/x
  3. Step 3: Cross multiply
    87,244.20x = 130,607.10 × 52,165.80
  4. Step 4: Simplify right side
    87,244.20x = 6,813,223,857.18
  5. Step 5: Solve for x
    x = 6,813,223,857.18/87,244.20
  6. Step 6: Final answer
    x = 78,093.72

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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.