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Finding the Fourth Proportional to 104,456.52, 156,651.54 and 34,319.64

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Solution

The fourth proportional to 104,456.52, 156,651.54 and 34,319.64 is: 51,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.52 : 156,651.54 = 34,319.64 : x
  2. Step 2: Convert to fraction form
    104,456.52/156,651.54 = 34,319.64/x
  3. Step 3: Cross multiply
    104,456.52x = 156,651.54 × 34,319.64
  4. Step 4: Simplify right side
    104,456.52x = 5,376,224,458.25
  5. Step 5: Solve for x
    x = 5,376,224,458.25/104,456.52
  6. Step 6: Final answer
    x = 51,468.54

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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.