Home / 87,878.16-131,817.20-35,287.63

Finding the Fourth Proportional to 87,878.16, 131,817.20 and 35,287.63

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Solution

The fourth proportional to 87,878.16, 131,817.20 and 35,287.63 is: 52,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,878.16 : 131,817.20 = 35,287.63 : x
  2. Step 2: Convert to fraction form
    87,878.16/131,817.20 = 35,287.63/x
  3. Step 3: Cross multiply
    87,878.16x = 131,817.20 × 35,287.63
  4. Step 4: Simplify right side
    87,878.16x = 4,651,516,581.24
  5. Step 5: Solve for x
    x = 4,651,516,581.24/87,878.16
  6. Step 6: Final answer
    x = 52,931.43

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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.