Home / 122.04-183.15-87.33

Finding the Fourth Proportional to 122.04, 183.15 and 87.33

Calculator

Solution

The fourth proportional to 122.04, 183.15 and 87.33 is: 131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.04 : 183.15 = 87.33 : x
  2. Step 2: Convert to fraction form
    122.04/183.15 = 87.33/x
  3. Step 3: Cross multiply
    122.04x = 183.15 × 87.33
  4. Step 4: Simplify right side
    122.04x = 15,994.49
  5. Step 5: Solve for x
    x = 15,994.49/122.04
  6. Step 6: Final answer
    x = 131.06

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.