Home / 178.84-268.12-87.44

Finding the Fourth Proportional to 178.84, 268.12 and 87.44

Calculator

Solution

The fourth proportional to 178.84, 268.12 and 87.44 is: 131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.84 : 268.12 = 87.44 : x
  2. Step 2: Convert to fraction form
    178.84/268.12 = 87.44/x
  3. Step 3: Cross multiply
    178.84x = 268.12 × 87.44
  4. Step 4: Simplify right side
    178.84x = 23,444.41
  5. Step 5: Solve for x
    x = 23,444.41/178.84
  6. Step 6: Final answer
    x = 131.09

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.