Home / 124.38-186.84-123.84

Finding the Fourth Proportional to 124.38, 186.84 and 123.84

Calculator

Solution

The fourth proportional to 124.38, 186.84 and 123.84 is: 186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.38 : 186.84 = 123.84 : x
  2. Step 2: Convert to fraction form
    124.38/186.84 = 123.84/x
  3. Step 3: Cross multiply
    124.38x = 186.84 × 123.84
  4. Step 4: Simplify right side
    124.38x = 23,138.27
  5. Step 5: Solve for x
    x = 23,138.27/124.38
  6. Step 6: Final answer
    x = 186.03

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.