Home / 199.93-300-107.39

Finding the Fourth Proportional to 199.93, 300 and 107.39

Calculator

Solution

The fourth proportional to 199.93, 300 and 107.39 is: 161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.93 : 300 = 107.39 : x
  2. Step 2: Convert to fraction form
    199.93/300 = 107.39/x
  3. Step 3: Cross multiply
    199.93x = 300 × 107.39
  4. Step 4: Simplify right side
    199.93x = 32,217
  5. Step 5: Solve for x
    x = 32,217/199.93
  6. Step 6: Final answer
    x = 161.14

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.