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Finding the Fourth Proportional to 105,761.46, 158,647.46 and 34,691.26

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Solution

The fourth proportional to 105,761.46, 158,647.46 and 34,691.26 is: 52,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,761.46 : 158,647.46 = 34,691.26 : x
  2. Step 2: Convert to fraction form
    105,761.46/158,647.46 = 34,691.26/x
  3. Step 3: Cross multiply
    105,761.46x = 158,647.46 × 34,691.26
  4. Step 4: Simplify right side
    105,761.46x = 5,503,680,283.20
  5. Step 5: Solve for x
    x = 5,503,680,283.20/105,761.46
  6. Step 6: Final answer
    x = 52,038.62

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Why These Related Problems?

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