Home / 144,132.97-198,888.41-83,691.83

Finding the Fourth Proportional to 144,132.97, 198,888.41 and 83,691.83

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Solution

The fourth proportional to 144,132.97, 198,888.41 and 83,691.83 is: 115,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,132.97 : 198,888.41 = 83,691.83 : x
  2. Step 2: Convert to fraction form
    144,132.97/198,888.41 = 83,691.83/x
  3. Step 3: Cross multiply
    144,132.97x = 198,888.41 × 83,691.83
  4. Step 4: Simplify right side
    144,132.97x = 16,645,335,705.14
  5. Step 5: Solve for x
    x = 16,645,335,705.14/144,132.97
  6. Step 6: Final answer
    x = 115,485.97

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1.5x scale

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.