Home / 185.64-256.20-102.75

Finding the Fourth Proportional to 185.64, 256.20 and 102.75

Calculator

Solution

The fourth proportional to 185.64, 256.20 and 102.75 is: 141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.64 : 256.20 = 102.75 : x
  2. Step 2: Convert to fraction form
    185.64/256.20 = 102.75/x
  3. Step 3: Cross multiply
    185.64x = 256.20 × 102.75
  4. Step 4: Simplify right side
    185.64x = 26,323.20
  5. Step 5: Solve for x
    x = 26,323.20/185.64
  6. Step 6: Final answer
    x = 141.80

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.