Home / 199,908.73-275,874.29-115,042.33

Finding the Fourth Proportional to 199,908.73, 275,874.29 and 115,042.33

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Solution

The fourth proportional to 199,908.73, 275,874.29 and 115,042.33 is: 158,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,908.73 : 275,874.29 = 115,042.33 : x
  2. Step 2: Convert to fraction form
    199,908.73/275,874.29 = 115,042.33/x
  3. Step 3: Cross multiply
    199,908.73x = 275,874.29 × 115,042.33
  4. Step 4: Simplify right side
    199,908.73x = 31,737,221,108.70
  5. Step 5: Solve for x
    x = 31,737,221,108.70/199,908.73
  6. Step 6: Final answer
    x = 158,758.56

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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.