Home / 174.16-240.38-100.50

Finding the Fourth Proportional to 174.16, 240.38 and 100.50

Calculator

Solution

The fourth proportional to 174.16, 240.38 and 100.50 is: 138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.16 : 240.38 = 100.50 : x
  2. Step 2: Convert to fraction form
    174.16/240.38 = 100.50/x
  3. Step 3: Cross multiply
    174.16x = 240.38 × 100.50
  4. Step 4: Simplify right side
    174.16x = 24,158.19
  5. Step 5: Solve for x
    x = 24,158.19/174.16
  6. Step 6: Final answer
    x = 138.71

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.