Home / 198,438.40-273,849.92-107,794.33

Finding the Fourth Proportional to 198,438.40, 273,849.92 and 107,794.33

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Solution

The fourth proportional to 198,438.40, 273,849.92 and 107,794.33 is: 148,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,438.40 : 273,849.92 = 107,794.33 : x
  2. Step 2: Convert to fraction form
    198,438.40/273,849.92 = 107,794.33/x
  3. Step 3: Cross multiply
    198,438.40x = 273,849.92 × 107,794.33
  4. Step 4: Simplify right side
    198,438.40x = 29,519,468,646.95
  5. Step 5: Solve for x
    x = 29,519,468,646.95/198,438.40
  6. Step 6: Final answer
    x = 148,758.85

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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.