Home / 77.94-116.93-29.19

Finding the Fourth Proportional to 77.94, 116.93 and 29.19

Calculator

Solution

The fourth proportional to 77.94, 116.93 and 29.19 is: 43.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77.94 : 116.93 = 29.19 : x
  2. Step 2: Convert to fraction form
    77.94/116.93 = 29.19/x
  3. Step 3: Cross multiply
    77.94x = 116.93 × 29.19
  4. Step 4: Simplify right side
    77.94x = 3,413.19
  5. Step 5: Solve for x
    x = 3,413.19/77.94
  6. Step 6: Final answer
    x = 43.79

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.