Home / 167.52-231.12-112.31

Finding the Fourth Proportional to 167.52, 231.12 and 112.31

Calculator

Solution

The fourth proportional to 167.52, 231.12 and 112.31 is: 154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.52 : 231.12 = 112.31 : x
  2. Step 2: Convert to fraction form
    167.52/231.12 = 112.31/x
  3. Step 3: Cross multiply
    167.52x = 231.12 × 112.31
  4. Step 4: Simplify right side
    167.52x = 25,956.51
  5. Step 5: Solve for x
    x = 25,956.51/167.52
  6. Step 6: Final answer
    x = 154.95

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.