Home / 106,764.18-146,909.61-103,517.70

Finding the Fourth Proportional to 106,764.18, 146,909.61 and 103,517.70

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Solution

The fourth proportional to 106,764.18, 146,909.61 and 103,517.70 is: 142,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.18 : 146,909.61 = 103,517.70 : x
  2. Step 2: Convert to fraction form
    106,764.18/146,909.61 = 103,517.70/x
  3. Step 3: Cross multiply
    106,764.18x = 146,909.61 × 103,517.70
  4. Step 4: Simplify right side
    106,764.18x = 15,207,744,935.10
  5. Step 5: Solve for x
    x = 15,207,744,935.10/106,764.18
  6. Step 6: Final answer
    x = 142,442.39

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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.