Home / 206,609.82-285,142.05-126,091.32

Finding the Fourth Proportional to 206,609.82, 285,142.05 and 126,091.32

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Solution

The fourth proportional to 206,609.82, 285,142.05 and 126,091.32 is: 174,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,609.82 : 285,142.05 = 126,091.32 : x
  2. Step 2: Convert to fraction form
    206,609.82/285,142.05 = 126,091.32/x
  3. Step 3: Cross multiply
    206,609.82x = 285,142.05 × 126,091.32
  4. Step 4: Simplify right side
    206,609.82x = 35,953,937,472.01
  5. Step 5: Solve for x
    x = 35,953,937,472.01/206,609.82
  6. Step 6: Final answer
    x = 174,018.53

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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.