Home / 198,129.53-273,418.75-113,248.42

Finding the Fourth Proportional to 198,129.53, 273,418.75 and 113,248.42

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Solution

The fourth proportional to 198,129.53, 273,418.75 and 113,248.42 is: 156,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,129.53 : 273,418.75 = 113,248.42 : x
  2. Step 2: Convert to fraction form
    198,129.53/273,418.75 = 113,248.42/x
  3. Step 3: Cross multiply
    198,129.53x = 273,418.75 × 113,248.42
  4. Step 4: Simplify right side
    198,129.53x = 30,964,241,435.88
  5. Step 5: Solve for x
    x = 30,964,241,435.88/198,129.53
  6. Step 6: Final answer
    x = 156,282.82

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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.