Home / 87,301.20-131,016.60-34,748.40

Finding the Fourth Proportional to 87,301.20, 131,016.60 and 34,748.40

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Solution

The fourth proportional to 87,301.20, 131,016.60 and 34,748.40 is: 52,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,301.20 : 131,016.60 = 34,748.40 : x
  2. Step 2: Convert to fraction form
    87,301.20/131,016.60 = 34,748.40/x
  3. Step 3: Cross multiply
    87,301.20x = 131,016.60 × 34,748.40
  4. Step 4: Simplify right side
    87,301.20x = 4,552,617,223.44
  5. Step 5: Solve for x
    x = 4,552,617,223.44/87,301.20
  6. Step 6: Final answer
    x = 52,148.39

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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.