Home / 189.05-260.83-123.59

Finding the Fourth Proportional to 189.05, 260.83 and 123.59

Calculator

Solution

The fourth proportional to 189.05, 260.83 and 123.59 is: 170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189.05 : 260.83 = 123.59 : x
  2. Step 2: Convert to fraction form
    189.05/260.83 = 123.59/x
  3. Step 3: Cross multiply
    189.05x = 260.83 × 123.59
  4. Step 4: Simplify right side
    189.05x = 32,236.58
  5. Step 5: Solve for x
    x = 32,236.58/189.05
  6. Step 6: Final answer
    x = 170.52

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.