Home / 129,975.27-194,961.35-41,229.54

Finding the Fourth Proportional to 129,975.27, 194,961.35 and 41,229.54

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Solution

The fourth proportional to 129,975.27, 194,961.35 and 41,229.54 is: 61,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,975.27 : 194,961.35 = 41,229.54 : x
  2. Step 2: Convert to fraction form
    129,975.27/194,961.35 = 41,229.54/x
  3. Step 3: Cross multiply
    129,975.27x = 194,961.35 × 41,229.54
  4. Step 4: Simplify right side
    129,975.27x = 8,038,166,572.13
  5. Step 5: Solve for x
    x = 8,038,166,572.13/129,975.27
  6. Step 6: Final answer
    x = 61,843.82

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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.