Home / 188,616.72-260,351.40-120,816.06

Finding the Fourth Proportional to 188,616.72, 260,351.40 and 120,816.06

Calculator

Solution

The fourth proportional to 188,616.72, 260,351.40 and 120,816.06 is: 166,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,616.72 : 260,351.40 = 120,816.06 : x
  2. Step 2: Convert to fraction form
    188,616.72/260,351.40 = 120,816.06/x
  3. Step 3: Cross multiply
    188,616.72x = 260,351.40 × 120,816.06
  4. Step 4: Simplify right side
    188,616.72x = 31,454,630,363.48
  5. Step 5: Solve for x
    x = 31,454,630,363.48/188,616.72
  6. Step 6: Final answer
    x = 166,764.80

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.