Home / 101.97-152.21-93.86

Finding the Fourth Proportional to 101.97, 152.21 and 93.86

Calculator

Solution

The fourth proportional to 101.97, 152.21 and 93.86 is: 140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.97 : 152.21 = 93.86 : x
  2. Step 2: Convert to fraction form
    101.97/152.21 = 93.86/x
  3. Step 3: Cross multiply
    101.97x = 152.21 × 93.86
  4. Step 4: Simplify right side
    101.97x = 14,285.20
  5. Step 5: Solve for x
    x = 14,285.20/101.97
  6. Step 6: Final answer
    x = 140.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.