Home / 124.27-171.62-102.67

Finding the Fourth Proportional to 124.27, 171.62 and 102.67

Calculator

Solution

The fourth proportional to 124.27, 171.62 and 102.67 is: 141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.27 : 171.62 = 102.67 : x
  2. Step 2: Convert to fraction form
    124.27/171.62 = 102.67/x
  3. Step 3: Cross multiply
    124.27x = 171.62 × 102.67
  4. Step 4: Simplify right side
    124.27x = 17,619.67
  5. Step 5: Solve for x
    x = 17,619.67/124.27
  6. Step 6: Final answer
    x = 141.79

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.