Home / 87,233.60-120,438.24-53,719.04

Finding the Fourth Proportional to 87,233.60, 120,438.24 and 53,719.04

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Solution

The fourth proportional to 87,233.60, 120,438.24 and 53,719.04 is: 74,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233.60 : 120,438.24 = 53,719.04 : x
  2. Step 2: Convert to fraction form
    87,233.60/120,438.24 = 53,719.04/x
  3. Step 3: Cross multiply
    87,233.60x = 120,438.24 × 53,719.04
  4. Step 4: Simplify right side
    87,233.60x = 6,469,826,632.09
  5. Step 5: Solve for x
    x = 6,469,826,632.09/87,233.60
  6. Step 6: Final answer
    x = 74,166.68

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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.