Home / 185.47-255.88-123.29

Finding the Fourth Proportional to 185.47, 255.88 and 123.29

Calculator

Solution

The fourth proportional to 185.47, 255.88 and 123.29 is: 170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.47 : 255.88 = 123.29 : x
  2. Step 2: Convert to fraction form
    185.47/255.88 = 123.29/x
  3. Step 3: Cross multiply
    185.47x = 255.88 × 123.29
  4. Step 4: Simplify right side
    185.47x = 31,546.59
  5. Step 5: Solve for x
    x = 31,546.59/185.47
  6. Step 6: Final answer
    x = 170.09

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.