Home / 113.86-170.60-59.68

Finding the Fourth Proportional to 113.86, 170.60 and 59.68

Calculator

Solution

The fourth proportional to 113.86, 170.60 and 59.68 is: 89.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.86 : 170.60 = 59.68 : x
  2. Step 2: Convert to fraction form
    113.86/170.60 = 59.68/x
  3. Step 3: Cross multiply
    113.86x = 170.60 × 59.68
  4. Step 4: Simplify right side
    113.86x = 10,181.41
  5. Step 5: Solve for x
    x = 10,181.41/113.86
  6. Step 6: Final answer
    x = 89.42

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.