Home / 83,553.60-125,330.40-80,601.15

Finding the Fourth Proportional to 83,553.60, 125,330.40 and 80,601.15

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Solution

The fourth proportional to 83,553.60, 125,330.40 and 80,601.15 is: 120,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,553.60 : 125,330.40 = 80,601.15 : x
  2. Step 2: Convert to fraction form
    83,553.60/125,330.40 = 80,601.15/x
  3. Step 3: Cross multiply
    83,553.60x = 125,330.40 × 80,601.15
  4. Step 4: Simplify right side
    83,553.60x = 10,101,774,369.96
  5. Step 5: Solve for x
    x = 10,101,774,369.96/83,553.60
  6. Step 6: Final answer
    x = 120,901.73

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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.