Home / 167,441.31-231,065.12-90,958.68

Finding the Fourth Proportional to 167,441.31, 231,065.12 and 90,958.68

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Solution

The fourth proportional to 167,441.31, 231,065.12 and 90,958.68 is: 125,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,441.31 : 231,065.12 = 90,958.68 : x
  2. Step 2: Convert to fraction form
    167,441.31/231,065.12 = 90,958.68/x
  3. Step 3: Cross multiply
    167,441.31x = 231,065.12 × 90,958.68
  4. Step 4: Simplify right side
    167,441.31x = 21,017,378,309.24
  5. Step 5: Solve for x
    x = 21,017,378,309.24/167,441.31
  6. Step 6: Final answer
    x = 125,520.87

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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.