Home / 199,605.38-275,456.08-108,963.34

Finding the Fourth Proportional to 199,605.38, 275,456.08 and 108,963.34

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Solution

The fourth proportional to 199,605.38, 275,456.08 and 108,963.34 is: 150,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605.38 : 275,456.08 = 108,963.34 : x
  2. Step 2: Convert to fraction form
    199,605.38/275,456.08 = 108,963.34/x
  3. Step 3: Cross multiply
    199,605.38x = 275,456.08 × 108,963.34
  4. Step 4: Simplify right side
    199,605.38x = 30,014,614,500.11
  5. Step 5: Solve for x
    x = 30,014,614,500.11/199,605.38
  6. Step 6: Final answer
    x = 150,369.77

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1.5x scale

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.