Home / 185.43-255.92-111.76

Finding the Fourth Proportional to 185.43, 255.92 and 111.76

Calculator

Solution

The fourth proportional to 185.43, 255.92 and 111.76 is: 154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.43 : 255.92 = 111.76 : x
  2. Step 2: Convert to fraction form
    185.43/255.92 = 111.76/x
  3. Step 3: Cross multiply
    185.43x = 255.92 × 111.76
  4. Step 4: Simplify right side
    185.43x = 28,602.17
  5. Step 5: Solve for x
    x = 28,602.17/185.43
  6. Step 6: Final answer
    x = 154.25

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.