Home / 198,123.02-273,409.76-113,241.90

Finding the Fourth Proportional to 198,123.02, 273,409.76 and 113,241.90

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Solution

The fourth proportional to 198,123.02, 273,409.76 and 113,241.90 is: 156,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,123.02 : 273,409.76 = 113,241.90 : x
  2. Step 2: Convert to fraction form
    198,123.02/273,409.76 = 113,241.90/x
  3. Step 3: Cross multiply
    198,123.02x = 273,409.76 × 113,241.90
  4. Step 4: Simplify right side
    198,123.02x = 30,961,440,134.73
  5. Step 5: Solve for x
    x = 30,961,440,134.73/198,123.02
  6. Step 6: Final answer
    x = 156,273.82

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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.