Home / 161.02-241.53-69.71

Finding the Fourth Proportional to 161.02, 241.53 and 69.71

Calculator

Solution

The fourth proportional to 161.02, 241.53 and 69.71 is: 104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.02 : 241.53 = 69.71 : x
  2. Step 2: Convert to fraction form
    161.02/241.53 = 69.71/x
  3. Step 3: Cross multiply
    161.02x = 241.53 × 69.71
  4. Step 4: Simplify right side
    161.02x = 16,837.12
  5. Step 5: Solve for x
    x = 16,837.12/161.02
  6. Step 6: Final answer
    x = 104.57

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.