Home / 178.56-267.96-120.89

Finding the Fourth Proportional to 178.56, 267.96 and 120.89

Calculator

Solution

The fourth proportional to 178.56, 267.96 and 120.89 is: 181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.56 : 267.96 = 120.89 : x
  2. Step 2: Convert to fraction form
    178.56/267.96 = 120.89/x
  3. Step 3: Cross multiply
    178.56x = 267.96 × 120.89
  4. Step 4: Simplify right side
    178.56x = 32,392.34
  5. Step 5: Solve for x
    x = 32,392.34/178.56
  6. Step 6: Final answer
    x = 181.41

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.