Home / 189.50-261.46-110.79

Finding the Fourth Proportional to 189.50, 261.46 and 110.79

Calculator

Solution

The fourth proportional to 189.50, 261.46 and 110.79 is: 152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189.50 : 261.46 = 110.79 : x
  2. Step 2: Convert to fraction form
    189.50/261.46 = 110.79/x
  3. Step 3: Cross multiply
    189.50x = 261.46 × 110.79
  4. Step 4: Simplify right side
    189.50x = 28,967.15
  5. Step 5: Solve for x
    x = 28,967.15/189.50
  6. Step 6: Final answer
    x = 152.86

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.