Home / 119.99-180.07-92.99

Finding the Fourth Proportional to 119.99, 180.07 and 92.99

Calculator

Solution

The fourth proportional to 119.99, 180.07 and 92.99 is: 139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.99 : 180.07 = 92.99 : x
  2. Step 2: Convert to fraction form
    119.99/180.07 = 92.99/x
  3. Step 3: Cross multiply
    119.99x = 180.07 × 92.99
  4. Step 4: Simplify right side
    119.99x = 16,744.93
  5. Step 5: Solve for x
    x = 16,744.93/119.99
  6. Step 6: Final answer
    x = 139.55

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.