Home / 140.33-210.59-79.49

Finding the Fourth Proportional to 140.33, 210.59 and 79.49

Calculator

Solution

The fourth proportional to 140.33, 210.59 and 79.49 is: 119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.33 : 210.59 = 79.49 : x
  2. Step 2: Convert to fraction form
    140.33/210.59 = 79.49/x
  3. Step 3: Cross multiply
    140.33x = 210.59 × 79.49
  4. Step 4: Simplify right side
    140.33x = 16,739.40
  5. Step 5: Solve for x
    x = 16,739.40/140.33
  6. Step 6: Final answer
    x = 119.29

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.