Home / 129,375.45-194,071.41-40,632.46

Finding the Fourth Proportional to 129,375.45, 194,071.41 and 40,632.46

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Solution

The fourth proportional to 129,375.45, 194,071.41 and 40,632.46 is: 60,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,375.45 : 194,071.41 = 40,632.46 : x
  2. Step 2: Convert to fraction form
    129,375.45/194,071.41 = 40,632.46/x
  3. Step 3: Cross multiply
    129,375.45x = 194,071.41 × 40,632.46
  4. Step 4: Simplify right side
    129,375.45x = 7,885,598,318.79
  5. Step 5: Solve for x
    x = 7,885,598,318.79/129,375.45
  6. Step 6: Final answer
    x = 60,951.27

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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.