Home / 87,144.89-120,252.92-48,899.18

Finding the Fourth Proportional to 87,144.89, 120,252.92 and 48,899.18

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Solution

The fourth proportional to 87,144.89, 120,252.92 and 48,899.18 is: 67,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,144.89 : 120,252.92 = 48,899.18 : x
  2. Step 2: Convert to fraction form
    87,144.89/120,252.92 = 48,899.18/x
  3. Step 3: Cross multiply
    87,144.89x = 120,252.92 × 48,899.18
  4. Step 4: Simplify right side
    87,144.89x = 5,880,268,334.85
  5. Step 5: Solve for x
    x = 5,880,268,334.85/87,144.89
  6. Step 6: Final answer
    x = 67,476.92

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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.