Home / 166,791.96-230,171.29-90,309.13

Finding the Fourth Proportional to 166,791.96, 230,171.29 and 90,309.13

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Solution

The fourth proportional to 166,791.96, 230,171.29 and 90,309.13 is: 124,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,791.96 : 230,171.29 = 90,309.13 : x
  2. Step 2: Convert to fraction form
    166,791.96/230,171.29 = 90,309.13/x
  3. Step 3: Cross multiply
    166,791.96x = 230,171.29 × 90,309.13
  4. Step 4: Simplify right side
    166,791.96x = 20,786,568,149.68
  5. Step 5: Solve for x
    x = 20,786,568,149.68/166,791.96
  6. Step 6: Final answer
    x = 124,625.72

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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.