Home / 118,230.30-177,345.45-111,231.90

Finding the Fourth Proportional to 118,230.30, 177,345.45 and 111,231.90

Calculator

Solution

The fourth proportional to 118,230.30, 177,345.45 and 111,231.90 is: 166,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.30 : 177,345.45 = 111,231.90 : x
  2. Step 2: Convert to fraction form
    118,230.30/177,345.45 = 111,231.90/x
  3. Step 3: Cross multiply
    118,230.30x = 177,345.45 × 111,231.90
  4. Step 4: Simplify right side
    118,230.30x = 19,726,471,359.86
  5. Step 5: Solve for x
    x = 19,726,471,359.86/118,230.30
  6. Step 6: Final answer
    x = 166,847.85

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.