Home / 129,614.73-194,415.60-50,743.41

Finding the Fourth Proportional to 129,614.73, 194,415.60 and 50,743.41

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Solution

The fourth proportional to 129,614.73, 194,415.60 and 50,743.41 is: 76,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,614.73 : 194,415.60 = 50,743.41 : x
  2. Step 2: Convert to fraction form
    129,614.73/194,415.60 = 50,743.41/x
  3. Step 3: Cross multiply
    129,614.73x = 194,415.60 × 50,743.41
  4. Step 4: Simplify right side
    129,614.73x = 9,865,310,501.20
  5. Step 5: Solve for x
    x = 9,865,310,501.20/129,614.73
  6. Step 6: Final answer
    x = 76,112.57

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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.