Home / 206,543.64-285,122.68-126,003.26

Finding the Fourth Proportional to 206,543.64, 285,122.68 and 126,003.26

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Solution

The fourth proportional to 206,543.64, 285,122.68 and 126,003.26 is: 173,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,543.64 : 285,122.68 = 126,003.26 : x
  2. Step 2: Convert to fraction form
    206,543.64/285,122.68 = 126,003.26/x
  3. Step 3: Cross multiply
    206,543.64x = 285,122.68 × 126,003.26
  4. Step 4: Simplify right side
    206,543.64x = 35,926,388,286.50
  5. Step 5: Solve for x
    x = 35,926,388,286.50/206,543.64
  6. Step 6: Final answer
    x = 173,940.91

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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.