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Finding the Fourth Proportional to 79,906.26, 119,672.67 and 63,153.90

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Solution

The fourth proportional to 79,906.26, 119,672.67 and 63,153.90 is: 94,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.26 : 119,672.67 = 63,153.90 : x
  2. Step 2: Convert to fraction form
    79,906.26/119,672.67 = 63,153.90/x
  3. Step 3: Cross multiply
    79,906.26x = 119,672.67 × 63,153.90
  4. Step 4: Simplify right side
    79,906.26x = 7,557,795,833.91
  5. Step 5: Solve for x
    x = 7,557,795,833.91/79,906.26
  6. Step 6: Final answer
    x = 94,583.28

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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.