Home / 185.30-255.69-111.59

Finding the Fourth Proportional to 185.30, 255.69 and 111.59

Calculator

Solution

The fourth proportional to 185.30, 255.69 and 111.59 is: 153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.30 : 255.69 = 111.59 : x
  2. Step 2: Convert to fraction form
    185.30/255.69 = 111.59/x
  3. Step 3: Cross multiply
    185.30x = 255.69 × 111.59
  4. Step 4: Simplify right side
    185.30x = 28,532.45
  5. Step 5: Solve for x
    x = 28,532.45/185.30
  6. Step 6: Final answer
    x = 153.98

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.