Home / 206,195.24-284,535.96-121,295.90

Finding the Fourth Proportional to 206,195.24, 284,535.96 and 121,295.90

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Solution

The fourth proportional to 206,195.24, 284,535.96 and 121,295.90 is: 167,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,195.24 : 284,535.96 = 121,295.90 : x
  2. Step 2: Convert to fraction form
    206,195.24/284,535.96 = 121,295.90/x
  3. Step 3: Cross multiply
    206,195.24x = 284,535.96 × 121,295.90
  4. Step 4: Simplify right side
    206,195.24x = 34,513,045,350.56
  5. Step 5: Solve for x
    x = 34,513,045,350.56/206,195.24
  6. Step 6: Final answer
    x = 167,380.42

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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.