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Finding the Fourth Proportional to 104,466.44, 156,789.11 and 103,680.14

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Solution

The fourth proportional to 104,466.44, 156,789.11 and 103,680.14 is: 155,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,466.44 : 156,789.11 = 103,680.14 : x
  2. Step 2: Convert to fraction form
    104,466.44/156,789.11 = 103,680.14/x
  3. Step 3: Cross multiply
    104,466.44x = 156,789.11 × 103,680.14
  4. Step 4: Simplify right side
    104,466.44x = 16,255,916,350.53
  5. Step 5: Solve for x
    x = 16,255,916,350.53/104,466.44
  6. Step 6: Final answer
    x = 155,608.98

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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.