Home / 131.15-196.82-50.00

Finding the Fourth Proportional to 131.15, 196.82 and 50.00

Calculator

Solution

The fourth proportional to 131.15, 196.82 and 50.00 is: 75.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.15 : 196.82 = 50.00 : x
  2. Step 2: Convert to fraction form
    131.15/196.82 = 50.00/x
  3. Step 3: Cross multiply
    131.15x = 196.82 × 50.00
  4. Step 4: Simplify right side
    131.15x = 9,839.77
  5. Step 5: Solve for x
    x = 9,839.77/131.15
  6. Step 6: Final answer
    x = 75.03

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.