Home / 87,528.30-131,295.15-34,218.15

Finding the Fourth Proportional to 87,528.30, 131,295.15 and 34,218.15

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Solution

The fourth proportional to 87,528.30, 131,295.15 and 34,218.15 is: 51,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.30 : 131,295.15 = 34,218.15 : x
  2. Step 2: Convert to fraction form
    87,528.30/131,295.15 = 34,218.15/x
  3. Step 3: Cross multiply
    87,528.30x = 131,295.15 × 34,218.15
  4. Step 4: Simplify right side
    87,528.30x = 4,492,677,136.97
  5. Step 5: Solve for x
    x = 4,492,677,136.97/87,528.30
  6. Step 6: Final answer
    x = 51,328.28

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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.