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Finding the Fourth Proportional to 167,235.52, 250,721.52 and 82,939.36

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Solution

The fourth proportional to 167,235.52, 250,721.52 and 82,939.36 is: 124,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,235.52 : 250,721.52 = 82,939.36 : x
  2. Step 2: Convert to fraction form
    167,235.52/250,721.52 = 82,939.36/x
  3. Step 3: Cross multiply
    167,235.52x = 250,721.52 × 82,939.36
  4. Step 4: Simplify right side
    167,235.52x = 20,794,682,407.03
  5. Step 5: Solve for x
    x = 20,794,682,407.03/167,235.52
  6. Step 6: Final answer
    x = 124,343.69

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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.