Home / 206,692.35-285,266.61-126,166.56

Finding the Fourth Proportional to 206,692.35, 285,266.61 and 126,166.56

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Solution

The fourth proportional to 206,692.35, 285,266.61 and 126,166.56 is: 174,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,692.35 : 285,266.61 = 126,166.56 : x
  2. Step 2: Convert to fraction form
    206,692.35/285,266.61 = 126,166.56/x
  3. Step 3: Cross multiply
    206,692.35x = 285,266.61 × 126,166.56
  4. Step 4: Simplify right side
    206,692.35x = 35,991,106,866.56
  5. Step 5: Solve for x
    x = 35,991,106,866.56/206,692.35
  6. Step 6: Final answer
    x = 174,128.88

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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.