Home / 189-260.64-126.86

Finding the Fourth Proportional to 189, 260.64 and 126.86

Calculator

Solution

The fourth proportional to 189, 260.64 and 126.86 is: 174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189 : 260.64 = 126.86 : x
  2. Step 2: Convert to fraction form
    189/260.64 = 126.86/x
  3. Step 3: Cross multiply
    189x = 260.64 × 126.86
  4. Step 4: Simplify right side
    189x = 33,063.49
  5. Step 5: Solve for x
    x = 33,063.49/189
  6. Step 6: Final answer
    x = 174.94

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.