Home / 171,194.06-256,651.92-71,428.59

Finding the Fourth Proportional to 171,194.06, 256,651.92 and 71,428.59

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Solution

The fourth proportional to 171,194.06, 256,651.92 and 71,428.59 is: 107,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,194.06 : 256,651.92 = 71,428.59 : x
  2. Step 2: Convert to fraction form
    171,194.06/256,651.92 = 71,428.59/x
  3. Step 3: Cross multiply
    171,194.06x = 256,651.92 × 71,428.59
  4. Step 4: Simplify right side
    171,194.06x = 18,332,284,766.39
  5. Step 5: Solve for x
    x = 18,332,284,766.39/171,194.06
  6. Step 6: Final answer
    x = 107,084.82

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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.