Home / 161,301.33-242,001.20-82,470.91

Finding the Fourth Proportional to 161,301.33, 242,001.20 and 82,470.91

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Solution

The fourth proportional to 161,301.33, 242,001.20 and 82,470.91 is: 123,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,301.33 : 242,001.20 = 82,470.91 : x
  2. Step 2: Convert to fraction form
    161,301.33/242,001.20 = 82,470.91/x
  3. Step 3: Cross multiply
    161,301.33x = 242,001.20 × 82,470.91
  4. Step 4: Simplify right side
    161,301.33x = 19,958,059,185.09
  5. Step 5: Solve for x
    x = 19,958,059,185.09/161,301.33
  6. Step 6: Final answer
    x = 123,731.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.