Home / 119,843.25-165,388.95-68,872.38

Finding the Fourth Proportional to 119,843.25, 165,388.95 and 68,872.38

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Solution

The fourth proportional to 119,843.25, 165,388.95 and 68,872.38 is: 95,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,843.25 : 165,388.95 = 68,872.38 : x
  2. Step 2: Convert to fraction form
    119,843.25/165,388.95 = 68,872.38/x
  3. Step 3: Cross multiply
    119,843.25x = 165,388.95 × 68,872.38
  4. Step 4: Simplify right side
    119,843.25x = 11,390,730,612.20
  5. Step 5: Solve for x
    x = 11,390,730,612.20/119,843.25
  6. Step 6: Final answer
    x = 95,046.91

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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.