Home / 136.22-204.33-55.12

Finding the Fourth Proportional to 136.22, 204.33 and 55.12

Calculator

Solution

The fourth proportional to 136.22, 204.33 and 55.12 is: 82.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.22 : 204.33 = 55.12 : x
  2. Step 2: Convert to fraction form
    136.22/204.33 = 55.12/x
  3. Step 3: Cross multiply
    136.22x = 204.33 × 55.12
  4. Step 4: Simplify right side
    136.22x = 11,262.67
  5. Step 5: Solve for x
    x = 11,262.67/136.22
  6. Step 6: Final answer
    x = 82.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.