Home / 187.42-258.74-113.75

Finding the Fourth Proportional to 187.42, 258.74 and 113.75

Calculator

Solution

The fourth proportional to 187.42, 258.74 and 113.75 is: 157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.42 : 258.74 = 113.75 : x
  2. Step 2: Convert to fraction form
    187.42/258.74 = 113.75/x
  3. Step 3: Cross multiply
    187.42x = 258.74 × 113.75
  4. Step 4: Simplify right side
    187.42x = 29,431.68
  5. Step 5: Solve for x
    x = 29,431.68/187.42
  6. Step 6: Final answer
    x = 157.04

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.