Home / 140.67-211.02-49.38

Finding the Fourth Proportional to 140.67, 211.02 and 49.38

Calculator

Solution

The fourth proportional to 140.67, 211.02 and 49.38 is: 74.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.67 : 211.02 = 49.38 : x
  2. Step 2: Convert to fraction form
    140.67/211.02 = 49.38/x
  3. Step 3: Cross multiply
    140.67x = 211.02 × 49.38
  4. Step 4: Simplify right side
    140.67x = 10,419.92
  5. Step 5: Solve for x
    x = 10,419.92/140.67
  6. Step 6: Final answer
    x = 74.07

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.