Home / 125.74-188.64-44.57

Finding the Fourth Proportional to 125.74, 188.64 and 44.57

Calculator

Solution

The fourth proportional to 125.74, 188.64 and 44.57 is: 66.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.74 : 188.64 = 44.57 : x
  2. Step 2: Convert to fraction form
    125.74/188.64 = 44.57/x
  3. Step 3: Cross multiply
    125.74x = 188.64 × 44.57
  4. Step 4: Simplify right side
    125.74x = 8,407.68
  5. Step 5: Solve for x
    x = 8,407.68/125.74
  6. Step 6: Final answer
    x = 66.87

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.