Home / 116-160.02-86.88

Finding the Fourth Proportional to 116, 160.02 and 86.88

Calculator

Solution

The fourth proportional to 116, 160.02 and 86.88 is: 119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116 : 160.02 = 86.88 : x
  2. Step 2: Convert to fraction form
    116/160.02 = 86.88/x
  3. Step 3: Cross multiply
    116x = 160.02 × 86.88
  4. Step 4: Simplify right side
    116x = 13,902.54
  5. Step 5: Solve for x
    x = 13,902.54/116
  6. Step 6: Final answer
    x = 119.85

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.