Home / 220,974.64-304,945.08-120,372.64

Finding the Fourth Proportional to 220,974.64, 304,945.08 and 120,372.64

Calculator

Solution

The fourth proportional to 220,974.64, 304,945.08 and 120,372.64 is: 166,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,974.64 : 304,945.08 = 120,372.64 : x
  2. Step 2: Convert to fraction form
    220,974.64/304,945.08 = 120,372.64/x
  3. Step 3: Cross multiply
    220,974.64x = 304,945.08 × 120,372.64
  4. Step 4: Simplify right side
    220,974.64x = 36,707,044,334.61
  5. Step 5: Solve for x
    x = 36,707,044,334.61/220,974.64
  6. Step 6: Final answer
    x = 166,114.29

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.