Home / 101.71-152.52-83.62

Finding the Fourth Proportional to 101.71, 152.52 and 83.62

Calculator

Solution

The fourth proportional to 101.71, 152.52 and 83.62 is: 125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.71 : 152.52 = 83.62 : x
  2. Step 2: Convert to fraction form
    101.71/152.52 = 83.62/x
  3. Step 3: Cross multiply
    101.71x = 152.52 × 83.62
  4. Step 4: Simplify right side
    101.71x = 12,753.72
  5. Step 5: Solve for x
    x = 12,753.72/101.71
  6. Step 6: Final answer
    x = 125.39

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.