Home / 144,001.33-198,721.96-80,339.15

Finding the Fourth Proportional to 144,001.33, 198,721.96 and 80,339.15

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Solution

The fourth proportional to 144,001.33, 198,721.96 and 80,339.15 is: 110,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.33 : 198,721.96 = 80,339.15 : x
  2. Step 2: Convert to fraction form
    144,001.33/198,721.96 = 80,339.15/x
  3. Step 3: Cross multiply
    144,001.33x = 198,721.96 × 80,339.15
  4. Step 4: Simplify right side
    144,001.33x = 15,965,152,359.12
  5. Step 5: Solve for x
    x = 15,965,152,359.12/144,001.33
  6. Step 6: Final answer
    x = 110,868.09

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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.