Home / 180.96-271.44-99.76

Finding the Fourth Proportional to 180.96, 271.44 and 99.76

Calculator

Solution

The fourth proportional to 180.96, 271.44 and 99.76 is: 149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.96 : 271.44 = 99.76 : x
  2. Step 2: Convert to fraction form
    180.96/271.44 = 99.76/x
  3. Step 3: Cross multiply
    180.96x = 271.44 × 99.76
  4. Step 4: Simplify right side
    180.96x = 27,078.85
  5. Step 5: Solve for x
    x = 27,078.85/180.96
  6. Step 6: Final answer
    x = 149.64

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.