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Finding the Fourth Proportional to 154,473.28, 231,797.50 and 83,394.97

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Solution

The fourth proportional to 154,473.28, 231,797.50 and 83,394.97 is: 125,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,473.28 : 231,797.50 = 83,394.97 : x
  2. Step 2: Convert to fraction form
    154,473.28/231,797.50 = 83,394.97/x
  3. Step 3: Cross multiply
    154,473.28x = 231,797.50 × 83,394.97
  4. Step 4: Simplify right side
    154,473.28x = 19,330,744,770.59
  5. Step 5: Solve for x
    x = 19,330,744,770.59/154,473.28
  6. Step 6: Final answer
    x = 125,139.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.