Home / 87,532.80-131,299.20-25,209.60

Finding the Fourth Proportional to 87,532.80, 131,299.20 and 25,209.60

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Solution

The fourth proportional to 87,532.80, 131,299.20 and 25,209.60 is: 37,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.80 : 131,299.20 = 25,209.60 : x
  2. Step 2: Convert to fraction form
    87,532.80/131,299.20 = 25,209.60/x
  3. Step 3: Cross multiply
    87,532.80x = 131,299.20 × 25,209.60
  4. Step 4: Simplify right side
    87,532.80x = 3,310,000,312.32
  5. Step 5: Solve for x
    x = 3,310,000,312.32/87,532.80
  6. Step 6: Final answer
    x = 37,814.40

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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.