Home / 185,239.36-255,629.82-100,356.58

Finding the Fourth Proportional to 185,239.36, 255,629.82 and 100,356.58

Calculator

Solution

The fourth proportional to 185,239.36, 255,629.82 and 100,356.58 is: 138,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,239.36 : 255,629.82 = 100,356.58 : x
  2. Step 2: Convert to fraction form
    185,239.36/255,629.82 = 100,356.58/x
  3. Step 3: Cross multiply
    185,239.36x = 255,629.82 × 100,356.58
  4. Step 4: Simplify right side
    185,239.36x = 25,654,134,481.22
  5. Step 5: Solve for x
    x = 25,654,134,481.22/185,239.36
  6. Step 6: Final answer
    x = 138,491.81

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.