Home / 186.43-257.39-116.51

Finding the Fourth Proportional to 186.43, 257.39 and 116.51

Calculator

Solution

The fourth proportional to 186.43, 257.39 and 116.51 is: 160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.43 : 257.39 = 116.51 : x
  2. Step 2: Convert to fraction form
    186.43/257.39 = 116.51/x
  3. Step 3: Cross multiply
    186.43x = 257.39 × 116.51
  4. Step 4: Simplify right side
    186.43x = 29,989.44
  5. Step 5: Solve for x
    x = 29,989.44/186.43
  6. Step 6: Final answer
    x = 160.86

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.