Home / 141,414.56-195,147.09-77,751.86

Finding the Fourth Proportional to 141,414.56, 195,147.09 and 77,751.86

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Solution

The fourth proportional to 141,414.56, 195,147.09 and 77,751.86 is: 107,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,414.56 : 195,147.09 = 77,751.86 : x
  2. Step 2: Convert to fraction form
    141,414.56/195,147.09 = 77,751.86/x
  3. Step 3: Cross multiply
    141,414.56x = 195,147.09 × 77,751.86
  4. Step 4: Simplify right side
    141,414.56x = 15,173,048,245.35
  5. Step 5: Solve for x
    x = 15,173,048,245.35/141,414.56
  6. Step 6: Final answer
    x = 107,294.81

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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.