Home / 195,061.20-269,180.89-109,021.78

Finding the Fourth Proportional to 195,061.20, 269,180.89 and 109,021.78

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Solution

The fourth proportional to 195,061.20, 269,180.89 and 109,021.78 is: 150,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,061.20 : 269,180.89 = 109,021.78 : x
  2. Step 2: Convert to fraction form
    195,061.20/269,180.89 = 109,021.78/x
  3. Step 3: Cross multiply
    195,061.20x = 269,180.89 × 109,021.78
  4. Step 4: Simplify right side
    195,061.20x = 29,346,579,769.78
  5. Step 5: Solve for x
    x = 29,346,579,769.78/195,061.20
  6. Step 6: Final answer
    x = 150,448.06

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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.