Home / 206,121.60-284,474.16-121,246.56

Finding the Fourth Proportional to 206,121.60, 284,474.16 and 121,246.56

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Solution

The fourth proportional to 206,121.60, 284,474.16 and 121,246.56 is: 167,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,121.60 : 284,474.16 = 121,246.56 : x
  2. Step 2: Convert to fraction form
    206,121.60/284,474.16 = 121,246.56/x
  3. Step 3: Cross multiply
    206,121.60x = 284,474.16 × 121,246.56
  4. Step 4: Simplify right side
    206,121.60x = 34,491,513,308.89
  5. Step 5: Solve for x
    x = 34,491,513,308.89/206,121.60
  6. Step 6: Final answer
    x = 167,335.75

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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.