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Finding the Fourth Proportional to 104,062.44, 156,115.52 and 33,990.96

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Solution

The fourth proportional to 104,062.44, 156,115.52 and 33,990.96 is: 50,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.44 : 156,115.52 = 33,990.96 : x
  2. Step 2: Convert to fraction form
    104,062.44/156,115.52 = 33,990.96/x
  3. Step 3: Cross multiply
    104,062.44x = 156,115.52 × 33,990.96
  4. Step 4: Simplify right side
    104,062.44x = 5,306,516,395.70
  5. Step 5: Solve for x
    x = 5,306,516,395.70/104,062.44
  6. Step 6: Final answer
    x = 50,993.58

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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.