Home / 148,856.52-205,422.40-80,872.92

Finding the Fourth Proportional to 148,856.52, 205,422.40 and 80,872.92

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Solution

The fourth proportional to 148,856.52, 205,422.40 and 80,872.92 is: 111,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,856.52 : 205,422.40 = 80,872.92 : x
  2. Step 2: Convert to fraction form
    148,856.52/205,422.40 = 80,872.92/x
  3. Step 3: Cross multiply
    148,856.52x = 205,422.40 × 80,872.92
  4. Step 4: Simplify right side
    148,856.52x = 16,613,109,321.41
  5. Step 5: Solve for x
    x = 16,613,109,321.41/148,856.52
  6. Step 6: Final answer
    x = 111,604.85

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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.