Home / 118,215.69-178,113.26-106,986.12

Finding the Fourth Proportional to 118,215.69, 178,113.26 and 106,986.12

Calculator

Solution

The fourth proportional to 118,215.69, 178,113.26 and 106,986.12 is: 161,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,215.69 : 178,113.26 = 106,986.12 : x
  2. Step 2: Convert to fraction form
    118,215.69/178,113.26 = 106,986.12/x
  3. Step 3: Cross multiply
    118,215.69x = 178,113.26 × 106,986.12
  4. Step 4: Simplify right side
    118,215.69x = 19,055,646,073.02
  5. Step 5: Solve for x
    x = 19,055,646,073.02/118,215.69
  6. Step 6: Final answer
    x = 161,193.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.