Home / 116.05-160.07-72.41

Finding the Fourth Proportional to 116.05, 160.07 and 72.41

Calculator

Solution

The fourth proportional to 116.05, 160.07 and 72.41 is: 99.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.05 : 160.07 = 72.41 : x
  2. Step 2: Convert to fraction form
    116.05/160.07 = 72.41/x
  3. Step 3: Cross multiply
    116.05x = 160.07 × 72.41
  4. Step 4: Simplify right side
    116.05x = 11,589.51
  5. Step 5: Solve for x
    x = 11,589.51/116.05
  6. Step 6: Final answer
    x = 99.87

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.