Home / 185,425.34-255,885.90-100,540.58

Finding the Fourth Proportional to 185,425.34, 255,885.90 and 100,540.58

Calculator

Solution

The fourth proportional to 185,425.34, 255,885.90 and 100,540.58 is: 138,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,425.34 : 255,885.90 = 100,540.58 : x
  2. Step 2: Convert to fraction form
    185,425.34/255,885.90 = 100,540.58/x
  3. Step 3: Cross multiply
    185,425.34x = 255,885.90 × 100,540.58
  4. Step 4: Simplify right side
    185,425.34x = 25,726,916,799.82
  5. Step 5: Solve for x
    x = 25,726,916,799.82/185,425.34
  6. Step 6: Final answer
    x = 138,745.42

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.