Home / 141,761.22-195,630.03-78,098.46

Finding the Fourth Proportional to 141,761.22, 195,630.03 and 78,098.46

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Solution

The fourth proportional to 141,761.22, 195,630.03 and 78,098.46 is: 107,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,761.22 : 195,630.03 = 78,098.46 : x
  2. Step 2: Convert to fraction form
    141,761.22/195,630.03 = 78,098.46/x
  3. Step 3: Cross multiply
    141,761.22x = 195,630.03 × 78,098.46
  4. Step 4: Simplify right side
    141,761.22x = 15,278,404,072.75
  5. Step 5: Solve for x
    x = 15,278,404,072.75/141,761.22
  6. Step 6: Final answer
    x = 107,775.62

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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.