Home / 151.90-209.61-96.67

Finding the Fourth Proportional to 151.90, 209.61 and 96.67

Calculator

Solution

The fourth proportional to 151.90, 209.61 and 96.67 is: 133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.90 : 209.61 = 96.67 : x
  2. Step 2: Convert to fraction form
    151.90/209.61 = 96.67/x
  3. Step 3: Cross multiply
    151.90x = 209.61 × 96.67
  4. Step 4: Simplify right side
    151.90x = 20,262.47
  5. Step 5: Solve for x
    x = 20,262.47/151.90
  6. Step 6: Final answer
    x = 133.40

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.