Home / 206,747.27-285,342.08-126,221.48

Finding the Fourth Proportional to 206,747.27, 285,342.08 and 126,221.48

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Solution

The fourth proportional to 206,747.27, 285,342.08 and 126,221.48 is: 174,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747.27 : 285,342.08 = 126,221.48 : x
  2. Step 2: Convert to fraction form
    206,747.27/285,342.08 = 126,221.48/x
  3. Step 3: Cross multiply
    206,747.27x = 285,342.08 × 126,221.48
  4. Step 4: Simplify right side
    206,747.27x = 36,016,299,643.88
  5. Step 5: Solve for x
    x = 36,016,299,643.88/206,747.27
  6. Step 6: Final answer
    x = 174,204.48

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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.