Home / 261,755.16-392,749.38-137,067

Finding the Fourth Proportional to 261,755.16, 392,749.38 and 137,067

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Solution

The fourth proportional to 261,755.16, 392,749.38 and 137,067 is: 205,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,755.16 : 392,749.38 = 137,067 : x
  2. Step 2: Convert to fraction form
    261,755.16/392,749.38 = 137,067/x
  3. Step 3: Cross multiply
    261,755.16x = 392,749.38 × 137,067
  4. Step 4: Simplify right side
    261,755.16x = 53,832,979,268.46
  5. Step 5: Solve for x
    x = 53,832,979,268.46/261,755.16
  6. Step 6: Final answer
    x = 205,661.58

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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.