Home / 198,399.33-273,793.05-107,757.07

Finding the Fourth Proportional to 198,399.33, 273,793.05 and 107,757.07

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Solution

The fourth proportional to 198,399.33, 273,793.05 and 107,757.07 is: 148,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,399.33 : 273,793.05 = 107,757.07 : x
  2. Step 2: Convert to fraction form
    198,399.33/273,793.05 = 107,757.07/x
  3. Step 3: Cross multiply
    198,399.33x = 273,793.05 × 107,757.07
  4. Step 4: Simplify right side
    198,399.33x = 29,503,136,169.88
  5. Step 5: Solve for x
    x = 29,503,136,169.88/198,399.33
  6. Step 6: Final answer
    x = 148,705.83

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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.