Home / 146,747.90-202,517.11-82,219.86

Finding the Fourth Proportional to 146,747.90, 202,517.11 and 82,219.86

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Solution

The fourth proportional to 146,747.90, 202,517.11 and 82,219.86 is: 113,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.90 : 202,517.11 = 82,219.86 : x
  2. Step 2: Convert to fraction form
    146,747.90/202,517.11 = 82,219.86/x
  3. Step 3: Cross multiply
    146,747.90x = 202,517.11 × 82,219.86
  4. Step 4: Simplify right side
    146,747.90x = 16,650,928,534.58
  5. Step 5: Solve for x
    x = 16,650,928,534.58/146,747.90
  6. Step 6: Final answer
    x = 113,466.21

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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.