Home / 129,376.45-194,072.91-40,633.46

Finding the Fourth Proportional to 129,376.45, 194,072.91 and 40,633.46

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Solution

The fourth proportional to 129,376.45, 194,072.91 and 40,633.46 is: 60,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,376.45 : 194,072.91 = 40,633.46 : x
  2. Step 2: Convert to fraction form
    129,376.45/194,072.91 = 40,633.46/x
  3. Step 3: Cross multiply
    129,376.45x = 194,072.91 × 40,633.46
  4. Step 4: Simplify right side
    129,376.45x = 7,885,853,825.57
  5. Step 5: Solve for x
    x = 7,885,853,825.57/129,376.45
  6. Step 6: Final answer
    x = 60,952.78

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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.