Home / 88.88-132.62-79.79

Finding the Fourth Proportional to 88.88, 132.62 and 79.79

Calculator

Solution

The fourth proportional to 88.88, 132.62 and 79.79 is: 119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.88 : 132.62 = 79.79 : x
  2. Step 2: Convert to fraction form
    88.88/132.62 = 79.79/x
  3. Step 3: Cross multiply
    88.88x = 132.62 × 79.79
  4. Step 4: Simplify right side
    88.88x = 10,580.69
  5. Step 5: Solve for x
    x = 10,580.69/88.88
  6. Step 6: Final answer
    x = 119.05

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.