Home / 198,489.52-273,855.23-112,434.85

Finding the Fourth Proportional to 198,489.52, 273,855.23 and 112,434.85

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Solution

The fourth proportional to 198,489.52, 273,855.23 and 112,434.85 is: 155,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,489.52 : 273,855.23 = 112,434.85 : x
  2. Step 2: Convert to fraction form
    198,489.52/273,855.23 = 112,434.85/x
  3. Step 3: Cross multiply
    198,489.52x = 273,855.23 × 112,434.85
  4. Step 4: Simplify right side
    198,489.52x = 30,790,871,908.54
  5. Step 5: Solve for x
    x = 30,790,871,908.54/198,489.52
  6. Step 6: Final answer
    x = 155,125.93

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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.