Home / 135.41-203.11-39.23

Finding the Fourth Proportional to 135.41, 203.11 and 39.23

Calculator

Solution

The fourth proportional to 135.41, 203.11 and 39.23 is: 58.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.41 : 203.11 = 39.23 : x
  2. Step 2: Convert to fraction form
    135.41/203.11 = 39.23/x
  3. Step 3: Cross multiply
    135.41x = 203.11 × 39.23
  4. Step 4: Simplify right side
    135.41x = 7,966.79
  5. Step 5: Solve for x
    x = 7,966.79/135.41
  6. Step 6: Final answer
    x = 58.83

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.