Home / 159.94-220.72-94.42

Finding the Fourth Proportional to 159.94, 220.72 and 94.42

Calculator

Solution

The fourth proportional to 159.94, 220.72 and 94.42 is: 130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.94 : 220.72 = 94.42 : x
  2. Step 2: Convert to fraction form
    159.94/220.72 = 94.42/x
  3. Step 3: Cross multiply
    159.94x = 220.72 × 94.42
  4. Step 4: Simplify right side
    159.94x = 20,840.38
  5. Step 5: Solve for x
    x = 20,840.38/159.94
  6. Step 6: Final answer
    x = 130.30

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.