Home / 68.46-102.69-50.51

Finding the Fourth Proportional to 68.46, 102.69 and 50.51

Calculator

Solution

The fourth proportional to 68.46, 102.69 and 50.51 is: 75.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.46 : 102.69 = 50.51 : x
  2. Step 2: Convert to fraction form
    68.46/102.69 = 50.51/x
  3. Step 3: Cross multiply
    68.46x = 102.69 × 50.51
  4. Step 4: Simplify right side
    68.46x = 5,186.36
  5. Step 5: Solve for x
    x = 5,186.36/68.46
  6. Step 6: Final answer
    x = 75.76

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.