Home / 199,864.75-275,816.97-109,224.54

Finding the Fourth Proportional to 199,864.75, 275,816.97 and 109,224.54

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Solution

The fourth proportional to 199,864.75, 275,816.97 and 109,224.54 is: 150,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,864.75 : 275,816.97 = 109,224.54 : x
  2. Step 2: Convert to fraction form
    199,864.75/275,816.97 = 109,224.54/x
  3. Step 3: Cross multiply
    199,864.75x = 275,816.97 × 109,224.54
  4. Step 4: Simplify right side
    199,864.75x = 30,125,981,672.44
  5. Step 5: Solve for x
    x = 30,125,981,672.44/199,864.75
  6. Step 6: Final answer
    x = 150,731.84

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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.