Home / 171.38-236.51-97.70

Finding the Fourth Proportional to 171.38, 236.51 and 97.70

Calculator

Solution

The fourth proportional to 171.38, 236.51 and 97.70 is: 134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.38 : 236.51 = 97.70 : x
  2. Step 2: Convert to fraction form
    171.38/236.51 = 97.70/x
  3. Step 3: Cross multiply
    171.38x = 236.51 × 97.70
  4. Step 4: Simplify right side
    171.38x = 23,107.03
  5. Step 5: Solve for x
    x = 23,107.03/171.38
  6. Step 6: Final answer
    x = 134.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.