Home / 171,010.29-256,377.02-71,245.43

Finding the Fourth Proportional to 171,010.29, 256,377.02 and 71,245.43

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Solution

The fourth proportional to 171,010.29, 256,377.02 and 71,245.43 is: 106,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,010.29 : 256,377.02 = 71,245.43 : x
  2. Step 2: Convert to fraction form
    171,010.29/256,377.02 = 71,245.43/x
  3. Step 3: Cross multiply
    171,010.29x = 256,377.02 × 71,245.43
  4. Step 4: Simplify right side
    171,010.29x = 18,265,689,393.91
  5. Step 5: Solve for x
    x = 18,265,689,393.91/171,010.29
  6. Step 6: Final answer
    x = 106,810.47

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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.