Home / 149.28-205.96-94

Finding the Fourth Proportional to 149.28, 205.96 and 94

Calculator

Solution

The fourth proportional to 149.28, 205.96 and 94 is: 129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.28 : 205.96 = 94 : x
  2. Step 2: Convert to fraction form
    149.28/205.96 = 94/x
  3. Step 3: Cross multiply
    149.28x = 205.96 × 94
  4. Step 4: Simplify right side
    149.28x = 19,360.24
  5. Step 5: Solve for x
    x = 19,360.24/149.28
  6. Step 6: Final answer
    x = 129.69

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.