Home / 112.27-154.88-75.48

Finding the Fourth Proportional to 112.27, 154.88 and 75.48

Calculator

Solution

The fourth proportional to 112.27, 154.88 and 75.48 is: 104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.27 : 154.88 = 75.48 : x
  2. Step 2: Convert to fraction form
    112.27/154.88 = 75.48/x
  3. Step 3: Cross multiply
    112.27x = 154.88 × 75.48
  4. Step 4: Simplify right side
    112.27x = 11,689.97
  5. Step 5: Solve for x
    x = 11,689.97/112.27
  6. Step 6: Final answer
    x = 104.13

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.