Home / 121.75-182.63-36.25

Finding the Fourth Proportional to 121.75, 182.63 and 36.25

Calculator

Solution

The fourth proportional to 121.75, 182.63 and 36.25 is: 54.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121.75 : 182.63 = 36.25 : x
  2. Step 2: Convert to fraction form
    121.75/182.63 = 36.25/x
  3. Step 3: Cross multiply
    121.75x = 182.63 × 36.25
  4. Step 4: Simplify right side
    121.75x = 6,620.34
  5. Step 5: Solve for x
    x = 6,620.34/121.75
  6. Step 6: Final answer
    x = 54.38

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.