Home / 221,922.80-332,884.20-133,130.60

Finding the Fourth Proportional to 221,922.80, 332,884.20 and 133,130.60

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Solution

The fourth proportional to 221,922.80, 332,884.20 and 133,130.60 is: 199,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,922.80 : 332,884.20 = 133,130.60 : x
  2. Step 2: Convert to fraction form
    221,922.80/332,884.20 = 133,130.60/x
  3. Step 3: Cross multiply
    221,922.80x = 332,884.20 × 133,130.60
  4. Step 4: Simplify right side
    221,922.80x = 44,317,073,276.52
  5. Step 5: Solve for x
    x = 44,317,073,276.52/221,922.80
  6. Step 6: Final answer
    x = 199,695.90

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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.