Home / 137.62-190.11-109.95

Finding the Fourth Proportional to 137.62, 190.11 and 109.95

Calculator

Solution

The fourth proportional to 137.62, 190.11 and 109.95 is: 151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.62 : 190.11 = 109.95 : x
  2. Step 2: Convert to fraction form
    137.62/190.11 = 109.95/x
  3. Step 3: Cross multiply
    137.62x = 190.11 × 109.95
  4. Step 4: Simplify right side
    137.62x = 20,902.59
  5. Step 5: Solve for x
    x = 20,902.59/137.62
  6. Step 6: Final answer
    x = 151.89

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.