Home / 149,287.82-206,001.96-91,918.04

Finding the Fourth Proportional to 149,287.82, 206,001.96 and 91,918.04

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Solution

The fourth proportional to 149,287.82, 206,001.96 and 91,918.04 is: 126,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,287.82 : 206,001.96 = 91,918.04 : x
  2. Step 2: Convert to fraction form
    149,287.82/206,001.96 = 91,918.04/x
  3. Step 3: Cross multiply
    149,287.82x = 206,001.96 × 91,918.04
  4. Step 4: Simplify right side
    149,287.82x = 18,935,296,399.36
  5. Step 5: Solve for x
    x = 18,935,296,399.36/149,287.82
  6. Step 6: Final answer
    x = 126,837.52

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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.