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Finding the Fourth Proportional to 104,635.44, 156,939.84 and 34,497.36

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Solution

The fourth proportional to 104,635.44, 156,939.84 and 34,497.36 is: 51,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.44 : 156,939.84 = 34,497.36 : x
  2. Step 2: Convert to fraction form
    104,635.44/156,939.84 = 34,497.36/x
  3. Step 3: Cross multiply
    104,635.44x = 156,939.84 × 34,497.36
  4. Step 4: Simplify right side
    104,635.44x = 5,414,010,158.82
  5. Step 5: Solve for x
    x = 5,414,010,158.82/104,635.44
  6. Step 6: Final answer
    x = 51,741.65

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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.