Home / 131.91-182.04-73.69

Finding the Fourth Proportional to 131.91, 182.04 and 73.69

Calculator

Solution

The fourth proportional to 131.91, 182.04 and 73.69 is: 101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.91 : 182.04 = 73.69 : x
  2. Step 2: Convert to fraction form
    131.91/182.04 = 73.69/x
  3. Step 3: Cross multiply
    131.91x = 182.04 × 73.69
  4. Step 4: Simplify right side
    131.91x = 13,413.80
  5. Step 5: Solve for x
    x = 13,413.80/131.91
  6. Step 6: Final answer
    x = 101.69

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.