Home / 178.97-247.01-109.02

Finding the Fourth Proportional to 178.97, 247.01 and 109.02

Calculator

Solution

The fourth proportional to 178.97, 247.01 and 109.02 is: 150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.97 : 247.01 = 109.02 : x
  2. Step 2: Convert to fraction form
    178.97/247.01 = 109.02/x
  3. Step 3: Cross multiply
    178.97x = 247.01 × 109.02
  4. Step 4: Simplify right side
    178.97x = 26,928.49
  5. Step 5: Solve for x
    x = 26,928.49/178.97
  6. Step 6: Final answer
    x = 150.46

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.