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Finding the Fourth Proportional to 104,517.78, 156,753.01 and 48,327.27

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Solution

The fourth proportional to 104,517.78, 156,753.01 and 48,327.27 is: 72,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.78 : 156,753.01 = 48,327.27 : x
  2. Step 2: Convert to fraction form
    104,517.78/156,753.01 = 48,327.27/x
  3. Step 3: Cross multiply
    104,517.78x = 156,753.01 × 48,327.27
  4. Step 4: Simplify right side
    104,517.78x = 7,575,444,012.18
  5. Step 5: Solve for x
    x = 7,575,444,012.18/104,517.78
  6. Step 6: Final answer
    x = 72,479.96

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1.5x scale

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.