Home / 198,822.31-274,366.56-108,178.62

Finding the Fourth Proportional to 198,822.31, 274,366.56 and 108,178.62

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Solution

The fourth proportional to 198,822.31, 274,366.56 and 108,178.62 is: 149,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,822.31 : 274,366.56 = 108,178.62 : x
  2. Step 2: Convert to fraction form
    198,822.31/274,366.56 = 108,178.62/x
  3. Step 3: Cross multiply
    198,822.31x = 274,366.56 × 108,178.62
  4. Step 4: Simplify right side
    198,822.31x = 29,680,595,429.28
  5. Step 5: Solve for x
    x = 29,680,595,429.28/198,822.31
  6. Step 6: Final answer
    x = 149,282.02

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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.