Home / 161.41-241.65-120.73

Finding the Fourth Proportional to 161.41, 241.65 and 120.73

Calculator

Solution

The fourth proportional to 161.41, 241.65 and 120.73 is: 180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.41 : 241.65 = 120.73 : x
  2. Step 2: Convert to fraction form
    161.41/241.65 = 120.73/x
  3. Step 3: Cross multiply
    161.41x = 241.65 × 120.73
  4. Step 4: Simplify right side
    161.41x = 29,174.40
  5. Step 5: Solve for x
    x = 29,174.40/161.41
  6. Step 6: Final answer
    x = 180.75

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.