Home / 108.67-162.85-107.53

Finding the Fourth Proportional to 108.67, 162.85 and 107.53

Calculator

Solution

The fourth proportional to 108.67, 162.85 and 107.53 is: 161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.67 : 162.85 = 107.53 : x
  2. Step 2: Convert to fraction form
    108.67/162.85 = 107.53/x
  3. Step 3: Cross multiply
    108.67x = 162.85 × 107.53
  4. Step 4: Simplify right side
    108.67x = 17,511.26
  5. Step 5: Solve for x
    x = 17,511.26/108.67
  6. Step 6: Final answer
    x = 161.14

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.