Home / 141,996.88-195,954.60-78,337.36

Finding the Fourth Proportional to 141,996.88, 195,954.60 and 78,337.36

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Solution

The fourth proportional to 141,996.88, 195,954.60 and 78,337.36 is: 108,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,996.88 : 195,954.60 = 78,337.36 : x
  2. Step 2: Convert to fraction form
    141,996.88/195,954.60 = 78,337.36/x
  3. Step 3: Cross multiply
    141,996.88x = 195,954.60 × 78,337.36
  4. Step 4: Simplify right side
    141,996.88x = 15,350,566,043.86
  5. Step 5: Solve for x
    x = 15,350,566,043.86/141,996.88
  6. Step 6: Final answer
    x = 108,104.95

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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.