Home / 87,144.28-120,252.12-48,898.66

Finding the Fourth Proportional to 87,144.28, 120,252.12 and 48,898.66

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Solution

The fourth proportional to 87,144.28, 120,252.12 and 48,898.66 is: 67,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,144.28 : 120,252.12 = 48,898.66 : x
  2. Step 2: Convert to fraction form
    87,144.28/120,252.12 = 48,898.66/x
  3. Step 3: Cross multiply
    87,144.28x = 120,252.12 × 48,898.66
  4. Step 4: Simplify right side
    87,144.28x = 5,880,167,530.16
  5. Step 5: Solve for x
    x = 5,880,167,530.16/87,144.28
  6. Step 6: Final answer
    x = 67,476.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.