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Finding the Fourth Proportional to 104,167.71, 156,276.26 and 34,046.82

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Solution

The fourth proportional to 104,167.71, 156,276.26 and 34,046.82 is: 51,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.71 : 156,276.26 = 34,046.82 : x
  2. Step 2: Convert to fraction form
    104,167.71/156,276.26 = 34,046.82/x
  3. Step 3: Cross multiply
    104,167.71x = 156,276.26 × 34,046.82
  4. Step 4: Simplify right side
    104,167.71x = 5,320,709,524.26
  5. Step 5: Solve for x
    x = 5,320,709,524.26/104,167.71
  6. Step 6: Final answer
    x = 51,078.30

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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.