Home / 190,651.09-262,989.19-118,906.55

Finding the Fourth Proportional to 190,651.09, 262,989.19 and 118,906.55

Calculator

Solution

The fourth proportional to 190,651.09, 262,989.19 and 118,906.55 is: 164,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.09 : 262,989.19 = 118,906.55 : x
  2. Step 2: Convert to fraction form
    190,651.09/262,989.19 = 118,906.55/x
  3. Step 3: Cross multiply
    190,651.09x = 262,989.19 × 118,906.55
  4. Step 4: Simplify right side
    190,651.09x = 31,271,138,076.30
  5. Step 5: Solve for x
    x = 31,271,138,076.30/190,651.09
  6. Step 6: Final answer
    x = 164,022.87

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.