Home / 198,895.20-274,471.54-108,253.16

Finding the Fourth Proportional to 198,895.20, 274,471.54 and 108,253.16

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Solution

The fourth proportional to 198,895.20, 274,471.54 and 108,253.16 is: 149,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,895.20 : 274,471.54 = 108,253.16 : x
  2. Step 2: Convert to fraction form
    198,895.20/274,471.54 = 108,253.16/x
  3. Step 3: Cross multiply
    198,895.20x = 274,471.54 × 108,253.16
  4. Step 4: Simplify right side
    198,895.20x = 29,712,410,921.34
  5. Step 5: Solve for x
    x = 29,712,410,921.34/198,895.20
  6. Step 6: Final answer
    x = 149,387.27

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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.