Home / 103.39-155.18-60.08

Finding the Fourth Proportional to 103.39, 155.18 and 60.08

Calculator

Solution

The fourth proportional to 103.39, 155.18 and 60.08 is: 90.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.39 : 155.18 = 60.08 : x
  2. Step 2: Convert to fraction form
    103.39/155.18 = 60.08/x
  3. Step 3: Cross multiply
    103.39x = 155.18 × 60.08
  4. Step 4: Simplify right side
    103.39x = 9,323.21
  5. Step 5: Solve for x
    x = 9,323.21/103.39
  6. Step 6: Final answer
    x = 90.18

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.