Home / 148.36-222.58-79.94

Finding the Fourth Proportional to 148.36, 222.58 and 79.94

Calculator

Solution

The fourth proportional to 148.36, 222.58 and 79.94 is: 119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.36 : 222.58 = 79.94 : x
  2. Step 2: Convert to fraction form
    148.36/222.58 = 79.94/x
  3. Step 3: Cross multiply
    148.36x = 222.58 × 79.94
  4. Step 4: Simplify right side
    148.36x = 17,793.05
  5. Step 5: Solve for x
    x = 17,793.05/148.36
  6. Step 6: Final answer
    x = 119.93

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.