Home / 140,976.28-194,557.57-80,545.62

Finding the Fourth Proportional to 140,976.28, 194,557.57 and 80,545.62

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Solution

The fourth proportional to 140,976.28, 194,557.57 and 80,545.62 is: 111,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,976.28 : 194,557.57 = 80,545.62 : x
  2. Step 2: Convert to fraction form
    140,976.28/194,557.57 = 80,545.62/x
  3. Step 3: Cross multiply
    140,976.28x = 194,557.57 × 80,545.62
  4. Step 4: Simplify right side
    140,976.28x = 15,670,760,789.10
  5. Step 5: Solve for x
    x = 15,670,760,789.10/140,976.28
  6. Step 6: Final answer
    x = 111,158.85

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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.