Home / 116.55-160.88-77.24

Finding the Fourth Proportional to 116.55, 160.88 and 77.24

Calculator

Solution

The fourth proportional to 116.55, 160.88 and 77.24 is: 106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.55 : 160.88 = 77.24 : x
  2. Step 2: Convert to fraction form
    116.55/160.88 = 77.24/x
  3. Step 3: Cross multiply
    116.55x = 160.88 × 77.24
  4. Step 4: Simplify right side
    116.55x = 12,425.18
  5. Step 5: Solve for x
    x = 12,425.18/116.55
  6. Step 6: Final answer
    x = 106.61

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.