Home / 109.38-164.16-63.66

Finding the Fourth Proportional to 109.38, 164.16 and 63.66

Calculator

Solution

The fourth proportional to 109.38, 164.16 and 63.66 is: 95.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.38 : 164.16 = 63.66 : x
  2. Step 2: Convert to fraction form
    109.38/164.16 = 63.66/x
  3. Step 3: Cross multiply
    109.38x = 164.16 × 63.66
  4. Step 4: Simplify right side
    109.38x = 10,451.28
  5. Step 5: Solve for x
    x = 10,451.28/109.38
  6. Step 6: Final answer
    x = 95.55

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.