Home / 87,534.80-131,302.20-25,211.60

Finding the Fourth Proportional to 87,534.80, 131,302.20 and 25,211.60

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Solution

The fourth proportional to 87,534.80, 131,302.20 and 25,211.60 is: 37,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,534.80 : 131,302.20 = 25,211.60 : x
  2. Step 2: Convert to fraction form
    87,534.80/131,302.20 = 25,211.60/x
  3. Step 3: Cross multiply
    87,534.80x = 131,302.20 × 25,211.60
  4. Step 4: Simplify right side
    87,534.80x = 3,310,338,545.52
  5. Step 5: Solve for x
    x = 3,310,338,545.52/87,534.80
  6. Step 6: Final answer
    x = 37,817.40

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1.5x scale

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.