Home / 178.55-267.83-70.34

Finding the Fourth Proportional to 178.55, 267.83 and 70.34

Calculator

Solution

The fourth proportional to 178.55, 267.83 and 70.34 is: 105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.55 : 267.83 = 70.34 : x
  2. Step 2: Convert to fraction form
    178.55/267.83 = 70.34/x
  3. Step 3: Cross multiply
    178.55x = 267.83 × 70.34
  4. Step 4: Simplify right side
    178.55x = 18,839.16
  5. Step 5: Solve for x
    x = 18,839.16/178.55
  6. Step 6: Final answer
    x = 105.51

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.