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Finding the Fourth Proportional to 171,067.56, 256,834.04 and 96,240.36

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Solution

The fourth proportional to 171,067.56, 256,834.04 and 96,240.36 is: 144,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,067.56 : 256,834.04 = 96,240.36 : x
  2. Step 2: Convert to fraction form
    171,067.56/256,834.04 = 96,240.36/x
  3. Step 3: Cross multiply
    171,067.56x = 256,834.04 × 96,240.36
  4. Step 4: Simplify right side
    171,067.56x = 24,717,799,988.65
  5. Step 5: Solve for x
    x = 24,717,799,988.65/171,067.56
  6. Step 6: Final answer
    x = 144,491.45

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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.