Home / 198,235.91-273,565.81-107,591.87

Finding the Fourth Proportional to 198,235.91, 273,565.81 and 107,591.87

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Solution

The fourth proportional to 198,235.91, 273,565.81 and 107,591.87 is: 148,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,235.91 : 273,565.81 = 107,591.87 : x
  2. Step 2: Convert to fraction form
    198,235.91/273,565.81 = 107,591.87/x
  3. Step 3: Cross multiply
    198,235.91x = 273,565.81 × 107,591.87
  4. Step 4: Simplify right side
    198,235.91x = 29,433,457,065.96
  5. Step 5: Solve for x
    x = 29,433,457,065.96/198,235.91
  6. Step 6: Final answer
    x = 148,476.92

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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.