Home / 232,277.12-320,566.92-136,781.78

Finding the Fourth Proportional to 232,277.12, 320,566.92 and 136,781.78

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Solution

The fourth proportional to 232,277.12, 320,566.92 and 136,781.78 is: 188,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,277.12 : 320,566.92 = 136,781.78 : x
  2. Step 2: Convert to fraction form
    232,277.12/320,566.92 = 136,781.78/x
  3. Step 3: Cross multiply
    232,277.12x = 320,566.92 × 136,781.78
  4. Step 4: Simplify right side
    232,277.12x = 43,847,713,926.72
  5. Step 5: Solve for x
    x = 43,847,713,926.72/232,277.12
  6. Step 6: Final answer
    x = 188,773.28

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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.