Home / 167.94-231.30-131.22

Finding the Fourth Proportional to 167.94, 231.30 and 131.22

Calculator

Solution

The fourth proportional to 167.94, 231.30 and 131.22 is: 180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.94 : 231.30 = 131.22 : x
  2. Step 2: Convert to fraction form
    167.94/231.30 = 131.22/x
  3. Step 3: Cross multiply
    167.94x = 231.30 × 131.22
  4. Step 4: Simplify right side
    167.94x = 30,351.19
  5. Step 5: Solve for x
    x = 30,351.19/167.94
  6. Step 6: Final answer
    x = 180.73

Related Problems

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.