Home / 238,781.96-329,512.11-131,351.93

Finding the Fourth Proportional to 238,781.96, 329,512.11 and 131,351.93

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Solution

The fourth proportional to 238,781.96, 329,512.11 and 131,351.93 is: 181,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,781.96 : 329,512.11 = 131,351.93 : x
  2. Step 2: Convert to fraction form
    238,781.96/329,512.11 = 131,351.93/x
  3. Step 3: Cross multiply
    238,781.96x = 329,512.11 × 131,351.93
  4. Step 4: Simplify right side
    238,781.96x = 43,282,049,959.31
  5. Step 5: Solve for x
    x = 43,282,049,959.31/238,781.96
  6. Step 6: Final answer
    x = 181,261.81

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1.5x scale

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.