Home / 113.00-169.56-55.22

Finding the Fourth Proportional to 113.00, 169.56 and 55.22

Calculator

Solution

The fourth proportional to 113.00, 169.56 and 55.22 is: 82.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.00 : 169.56 = 55.22 : x
  2. Step 2: Convert to fraction form
    113.00/169.56 = 55.22/x
  3. Step 3: Cross multiply
    113.00x = 169.56 × 55.22
  4. Step 4: Simplify right side
    113.00x = 9,362.26
  5. Step 5: Solve for x
    x = 9,362.26/113.00
  6. Step 6: Final answer
    x = 82.86

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.