Home / 131,376.41-179,986.35-126,456.38

Finding the Fourth Proportional to 131,376.41, 179,986.35 and 126,456.38

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Solution

The fourth proportional to 131,376.41, 179,986.35 and 126,456.38 is: 173,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,376.41 : 179,986.35 = 126,456.38 : x
  2. Step 2: Convert to fraction form
    131,376.41/179,986.35 = 126,456.38/x
  3. Step 3: Cross multiply
    131,376.41x = 179,986.35 × 126,456.38
  4. Step 4: Simplify right side
    131,376.41x = 22,760,422,270.41
  5. Step 5: Solve for x
    x = 22,760,422,270.41/131,376.41
  6. Step 6: Final answer
    x = 173,245.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.