Home / 179.11-247.14-109.21

Finding the Fourth Proportional to 179.11, 247.14 and 109.21

Calculator

Solution

The fourth proportional to 179.11, 247.14 and 109.21 is: 150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.11 : 247.14 = 109.21 : x
  2. Step 2: Convert to fraction form
    179.11/247.14 = 109.21/x
  3. Step 3: Cross multiply
    179.11x = 247.14 × 109.21
  4. Step 4: Simplify right side
    179.11x = 26,990.16
  5. Step 5: Solve for x
    x = 26,990.16/179.11
  6. Step 6: Final answer
    x = 150.69

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.