Home / 181.81-250.93-104.21

Finding the Fourth Proportional to 181.81, 250.93 and 104.21

Calculator

Solution

The fourth proportional to 181.81, 250.93 and 104.21 is: 143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.81 : 250.93 = 104.21 : x
  2. Step 2: Convert to fraction form
    181.81/250.93 = 104.21/x
  3. Step 3: Cross multiply
    181.81x = 250.93 × 104.21
  4. Step 4: Simplify right side
    181.81x = 26,148.89
  5. Step 5: Solve for x
    x = 26,148.89/181.81
  6. Step 6: Final answer
    x = 143.83

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.