Home / 170.84-255.32-125.30

Finding the Fourth Proportional to 170.84, 255.32 and 125.30

Calculator

Solution

The fourth proportional to 170.84, 255.32 and 125.30 is: 187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.84 : 255.32 = 125.30 : x
  2. Step 2: Convert to fraction form
    170.84/255.32 = 125.30/x
  3. Step 3: Cross multiply
    170.84x = 255.32 × 125.30
  4. Step 4: Simplify right side
    170.84x = 31,991.60
  5. Step 5: Solve for x
    x = 31,991.60/170.84
  6. Step 6: Final answer
    x = 187.26

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.