Home / 149,540.78-206,305.48-95,857.22

Finding the Fourth Proportional to 149,540.78, 206,305.48 and 95,857.22

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Solution

The fourth proportional to 149,540.78, 206,305.48 and 95,857.22 is: 132,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,540.78 : 206,305.48 = 95,857.22 : x
  2. Step 2: Convert to fraction form
    149,540.78/206,305.48 = 95,857.22/x
  3. Step 3: Cross multiply
    149,540.78x = 206,305.48 × 95,857.22
  4. Step 4: Simplify right side
    149,540.78x = 19,775,870,419.15
  5. Step 5: Solve for x
    x = 19,775,870,419.15/149,540.78
  6. Step 6: Final answer
    x = 132,243.99

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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.