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Finding the Fourth Proportional to 132,843.33, 199,228.52 and 79,493.33

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Solution

The fourth proportional to 132,843.33, 199,228.52 and 79,493.33 is: 119,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,843.33 : 199,228.52 = 79,493.33 : x
  2. Step 2: Convert to fraction form
    132,843.33/199,228.52 = 79,493.33/x
  3. Step 3: Cross multiply
    132,843.33x = 199,228.52 × 79,493.33
  4. Step 4: Simplify right side
    132,843.33x = 15,837,337,092.16
  5. Step 5: Solve for x
    x = 15,837,337,092.16/132,843.33
  6. Step 6: Final answer
    x = 119,218.16

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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.