Home / 159,186.82-219,469.62-115,540.18

Finding the Fourth Proportional to 159,186.82, 219,469.62 and 115,540.18

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Solution

The fourth proportional to 159,186.82, 219,469.62 and 115,540.18 is: 159,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,186.82 : 219,469.62 = 115,540.18 : x
  2. Step 2: Convert to fraction form
    159,186.82/219,469.62 = 115,540.18/x
  3. Step 3: Cross multiply
    159,186.82x = 219,469.62 × 115,540.18
  4. Step 4: Simplify right side
    159,186.82x = 25,357,559,399.33
  5. Step 5: Solve for x
    x = 25,357,559,399.33/159,186.82
  6. Step 6: Final answer
    x = 159,294.34

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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.