Home / 113.77-156.97-69.52

Finding the Fourth Proportional to 113.77, 156.97 and 69.52

Calculator

Solution

The fourth proportional to 113.77, 156.97 and 69.52 is: 95.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.77 : 156.97 = 69.52 : x
  2. Step 2: Convert to fraction form
    113.77/156.97 = 69.52/x
  3. Step 3: Cross multiply
    113.77x = 156.97 × 69.52
  4. Step 4: Simplify right side
    113.77x = 10,912.55
  5. Step 5: Solve for x
    x = 10,912.55/113.77
  6. Step 6: Final answer
    x = 95.92

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.