Home / 166,220.88-229,383.99-90,769.38

Finding the Fourth Proportional to 166,220.88, 229,383.99 and 90,769.38

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Solution

The fourth proportional to 166,220.88, 229,383.99 and 90,769.38 is: 125,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,220.88 : 229,383.99 = 90,769.38 : x
  2. Step 2: Convert to fraction form
    166,220.88/229,383.99 = 90,769.38/x
  3. Step 3: Cross multiply
    166,220.88x = 229,383.99 × 90,769.38
  4. Step 4: Simplify right side
    166,220.88x = 20,821,042,554.23
  5. Step 5: Solve for x
    x = 20,821,042,554.23/166,220.88
  6. Step 6: Final answer
    x = 125,261.29

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1.5x scale

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.