Home / 139,288-209,015.02-50,548.44

Finding the Fourth Proportional to 139,288, 209,015.02 and 50,548.44

Calculator

Solution

The fourth proportional to 139,288, 209,015.02 and 50,548.44 is: 75,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,288 : 209,015.02 = 50,548.44 : x
  2. Step 2: Convert to fraction form
    139,288/209,015.02 = 50,548.44/x
  3. Step 3: Cross multiply
    139,288x = 209,015.02 × 50,548.44
  4. Step 4: Simplify right side
    139,288x = 10,565,383,197.57
  5. Step 5: Solve for x
    x = 10,565,383,197.57/139,288
  6. Step 6: Final answer
    x = 75,852.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.