Home / 160.85-221.83-104.81

Finding the Fourth Proportional to 160.85, 221.83 and 104.81

Calculator

Solution

The fourth proportional to 160.85, 221.83 and 104.81 is: 144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.85 : 221.83 = 104.81 : x
  2. Step 2: Convert to fraction form
    160.85/221.83 = 104.81/x
  3. Step 3: Cross multiply
    160.85x = 221.83 × 104.81
  4. Step 4: Simplify right side
    160.85x = 23,249.48
  5. Step 5: Solve for x
    x = 23,249.48/160.85
  6. Step 6: Final answer
    x = 144.54

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.