Home / 131.44-181.34-92.68

Finding the Fourth Proportional to 131.44, 181.34 and 92.68

Calculator

Solution

The fourth proportional to 131.44, 181.34 and 92.68 is: 127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.44 : 181.34 = 92.68 : x
  2. Step 2: Convert to fraction form
    131.44/181.34 = 92.68/x
  3. Step 3: Cross multiply
    131.44x = 181.34 × 92.68
  4. Step 4: Simplify right side
    131.44x = 16,806.59
  5. Step 5: Solve for x
    x = 16,806.59/131.44
  6. Step 6: Final answer
    x = 127.87

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.