Home / 140,711.41-194,179.82-77,049.23

Finding the Fourth Proportional to 140,711.41, 194,179.82 and 77,049.23

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Solution

The fourth proportional to 140,711.41, 194,179.82 and 77,049.23 is: 106,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,711.41 : 194,179.82 = 77,049.23 : x
  2. Step 2: Convert to fraction form
    140,711.41/194,179.82 = 77,049.23/x
  3. Step 3: Cross multiply
    140,711.41x = 194,179.82 × 77,049.23
  4. Step 4: Simplify right side
    140,711.41x = 14,961,404,256.39
  5. Step 5: Solve for x
    x = 14,961,404,256.39/140,711.41
  6. Step 6: Final answer
    x = 106,326.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.