Home / 195,132-269,178.48-131,361.12

Finding the Fourth Proportional to 195,132, 269,178.48 and 131,361.12

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Solution

The fourth proportional to 195,132, 269,178.48 and 131,361.12 is: 181,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,132 : 269,178.48 = 131,361.12 : x
  2. Step 2: Convert to fraction form
    195,132/269,178.48 = 131,361.12/x
  3. Step 3: Cross multiply
    195,132x = 269,178.48 × 131,361.12
  4. Step 4: Simplify right side
    195,132x = 35,359,586,612.70
  5. Step 5: Solve for x
    x = 35,359,586,612.70/195,132
  6. Step 6: Final answer
    x = 181,208.55

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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.