Home / 144,067.97-198,839.82-85,928.43

Finding the Fourth Proportional to 144,067.97, 198,839.82 and 85,928.43

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Solution

The fourth proportional to 144,067.97, 198,839.82 and 85,928.43 is: 118,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,067.97 : 198,839.82 = 85,928.43 : x
  2. Step 2: Convert to fraction form
    144,067.97/198,839.82 = 85,928.43/x
  3. Step 3: Cross multiply
    144,067.97x = 198,839.82 × 85,928.43
  4. Step 4: Simplify right side
    144,067.97x = 17,085,993,554.08
  5. Step 5: Solve for x
    x = 17,085,993,554.08/144,067.97
  6. Step 6: Final answer
    x = 118,596.75

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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.