Home / 147,796.88-203,959.71-80,728.88

Finding the Fourth Proportional to 147,796.88, 203,959.71 and 80,728.88

Calculator

Solution

The fourth proportional to 147,796.88, 203,959.71 and 80,728.88 is: 111,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,796.88 : 203,959.71 = 80,728.88 : x
  2. Step 2: Convert to fraction form
    147,796.88/203,959.71 = 80,728.88/x
  3. Step 3: Cross multiply
    147,796.88x = 203,959.71 × 80,728.88
  4. Step 4: Simplify right side
    147,796.88x = 16,465,437,933.63
  5. Step 5: Solve for x
    x = 16,465,437,933.63/147,796.88
  6. Step 6: Final answer
    x = 111,405.86

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.