Home / 198,219.87-273,545.45-107,576.64

Finding the Fourth Proportional to 198,219.87, 273,545.45 and 107,576.64

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Solution

The fourth proportional to 198,219.87, 273,545.45 and 107,576.64 is: 148,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,219.87 : 273,545.45 = 107,576.64 : x
  2. Step 2: Convert to fraction form
    198,219.87/273,545.45 = 107,576.64/x
  3. Step 3: Cross multiply
    198,219.87x = 273,545.45 × 107,576.64
  4. Step 4: Simplify right side
    198,219.87x = 29,427,100,398.29
  5. Step 5: Solve for x
    x = 29,427,100,398.29/198,219.87
  6. Step 6: Final answer
    x = 148,456.86

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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.