Home / 199,363.23-275,121.05-108,719.37

Finding the Fourth Proportional to 199,363.23, 275,121.05 and 108,719.37

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Solution

The fourth proportional to 199,363.23, 275,121.05 and 108,719.37 is: 150,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,363.23 : 275,121.05 = 108,719.37 : x
  2. Step 2: Convert to fraction form
    199,363.23/275,121.05 = 108,719.37/x
  3. Step 3: Cross multiply
    199,363.23x = 275,121.05 × 108,719.37
  4. Step 4: Simplify right side
    199,363.23x = 29,910,986,686.14
  5. Step 5: Solve for x
    x = 29,910,986,686.14/199,363.23
  6. Step 6: Final answer
    x = 150,032.61

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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.