Home / 123.39-185.18-69.33

Finding the Fourth Proportional to 123.39, 185.18 and 69.33

Calculator

Solution

The fourth proportional to 123.39, 185.18 and 69.33 is: 104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.39 : 185.18 = 69.33 : x
  2. Step 2: Convert to fraction form
    123.39/185.18 = 69.33/x
  3. Step 3: Cross multiply
    123.39x = 185.18 × 69.33
  4. Step 4: Simplify right side
    123.39x = 12,838.18
  5. Step 5: Solve for x
    x = 12,838.18/123.39
  6. Step 6: Final answer
    x = 104.05

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.