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Finding the Fourth Proportional to 198,164.34, 273,463.34 and 120,611.95

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Solution

The fourth proportional to 198,164.34, 273,463.34 and 120,611.95 is: 166,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,164.34 : 273,463.34 = 120,611.95 : x
  2. Step 2: Convert to fraction form
    198,164.34/273,463.34 = 120,611.95/x
  3. Step 3: Cross multiply
    198,164.34x = 273,463.34 × 120,611.95
  4. Step 4: Simplify right side
    198,164.34x = 32,982,947,620.87
  5. Step 5: Solve for x
    x = 32,982,947,620.87/198,164.34
  6. Step 6: Final answer
    x = 166,442.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.