Home / 131,959.82-181,860.33-93,721.04

Finding the Fourth Proportional to 131,959.82, 181,860.33 and 93,721.04

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Solution

The fourth proportional to 131,959.82, 181,860.33 and 93,721.04 is: 129,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,959.82 : 181,860.33 = 93,721.04 : x
  2. Step 2: Convert to fraction form
    131,959.82/181,860.33 = 93,721.04/x
  3. Step 3: Cross multiply
    131,959.82x = 181,860.33 × 93,721.04
  4. Step 4: Simplify right side
    131,959.82x = 17,044,138,353.04
  5. Step 5: Solve for x
    x = 17,044,138,353.04/131,959.82
  6. Step 6: Final answer
    x = 129,161.58

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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.