Home / 206,425.38-284,844.25-115,762.69

Finding the Fourth Proportional to 206,425.38, 284,844.25 and 115,762.69

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Solution

The fourth proportional to 206,425.38, 284,844.25 and 115,762.69 is: 159,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,425.38 : 284,844.25 = 115,762.69 : x
  2. Step 2: Convert to fraction form
    206,425.38/284,844.25 = 115,762.69/x
  3. Step 3: Cross multiply
    206,425.38x = 284,844.25 × 115,762.69
  4. Step 4: Simplify right side
    206,425.38x = 32,974,336,611.03
  5. Step 5: Solve for x
    x = 32,974,336,611.03/206,425.38
  6. Step 6: Final answer
    x = 159,739.74

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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.