Home / 166,163.76-229,304.82-90,712.26

Finding the Fourth Proportional to 166,163.76, 229,304.82 and 90,712.26

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Solution

The fourth proportional to 166,163.76, 229,304.82 and 90,712.26 is: 125,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,163.76 : 229,304.82 = 90,712.26 : x
  2. Step 2: Convert to fraction form
    166,163.76/229,304.82 = 90,712.26/x
  3. Step 3: Cross multiply
    166,163.76x = 229,304.82 × 90,712.26
  4. Step 4: Simplify right side
    166,163.76x = 20,800,757,304.57
  5. Step 5: Solve for x
    x = 20,800,757,304.57/166,163.76
  6. Step 6: Final answer
    x = 125,182.28

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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.