Home / 109.97-151.75-60.85

Finding the Fourth Proportional to 109.97, 151.75 and 60.85

Calculator

Solution

The fourth proportional to 109.97, 151.75 and 60.85 is: 83.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.97 : 151.75 = 60.85 : x
  2. Step 2: Convert to fraction form
    109.97/151.75 = 60.85/x
  3. Step 3: Cross multiply
    109.97x = 151.75 × 60.85
  4. Step 4: Simplify right side
    109.97x = 9,233.68
  5. Step 5: Solve for x
    x = 9,233.68/109.97
  6. Step 6: Final answer
    x = 83.97

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.