Home / 185.34-255.66-119.86

Finding the Fourth Proportional to 185.34, 255.66 and 119.86

Calculator

Solution

The fourth proportional to 185.34, 255.66 and 119.86 is: 165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.34 : 255.66 = 119.86 : x
  2. Step 2: Convert to fraction form
    185.34/255.66 = 119.86/x
  3. Step 3: Cross multiply
    185.34x = 255.66 × 119.86
  4. Step 4: Simplify right side
    185.34x = 30,643.41
  5. Step 5: Solve for x
    x = 30,643.41/185.34
  6. Step 6: Final answer
    x = 165.34

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.