Home / 199,380.79-275,144.43-108,735.13

Finding the Fourth Proportional to 199,380.79, 275,144.43 and 108,735.13

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Solution

The fourth proportional to 199,380.79, 275,144.43 and 108,735.13 is: 150,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,380.79 : 275,144.43 = 108,735.13 : x
  2. Step 2: Convert to fraction form
    199,380.79/275,144.43 = 108,735.13/x
  3. Step 3: Cross multiply
    199,380.79x = 275,144.43 × 108,735.13
  4. Step 4: Simplify right side
    199,380.79x = 29,917,865,364.83
  5. Step 5: Solve for x
    x = 29,917,865,364.83/199,380.79
  6. Step 6: Final answer
    x = 150,053.90

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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.