Home / 198,356.40-273,731.52-108,932.40

Finding the Fourth Proportional to 198,356.40, 273,731.52 and 108,932.40

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Solution

The fourth proportional to 198,356.40, 273,731.52 and 108,932.40 is: 150,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,356.40 : 273,731.52 = 108,932.40 : x
  2. Step 2: Convert to fraction form
    198,356.40/273,731.52 = 108,932.40/x
  3. Step 3: Cross multiply
    198,356.40x = 273,731.52 × 108,932.40
  4. Step 4: Simplify right side
    198,356.40x = 29,818,231,429.25
  5. Step 5: Solve for x
    x = 29,818,231,429.25/198,356.40
  6. Step 6: Final answer
    x = 150,326.54

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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.