Home / 105.96-146.16-67.08

Finding the Fourth Proportional to 105.96, 146.16 and 67.08

Calculator

Solution

The fourth proportional to 105.96, 146.16 and 67.08 is: 92.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.96 : 146.16 = 67.08 : x
  2. Step 2: Convert to fraction form
    105.96/146.16 = 67.08/x
  3. Step 3: Cross multiply
    105.96x = 146.16 × 67.08
  4. Step 4: Simplify right side
    105.96x = 9,804.41
  5. Step 5: Solve for x
    x = 9,804.41/105.96
  6. Step 6: Final answer
    x = 92.53

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.