Home / 221,352.43-332,098.72-79,194.60

Finding the Fourth Proportional to 221,352.43, 332,098.72 and 79,194.60

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Solution

The fourth proportional to 221,352.43, 332,098.72 and 79,194.60 is: 118,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,352.43 : 332,098.72 = 79,194.60 : x
  2. Step 2: Convert to fraction form
    221,352.43/332,098.72 = 79,194.60/x
  3. Step 3: Cross multiply
    221,352.43x = 332,098.72 × 79,194.60
  4. Step 4: Simplify right side
    221,352.43x = 26,300,425,290.91
  5. Step 5: Solve for x
    x = 26,300,425,290.91/221,352.43
  6. Step 6: Final answer
    x = 118,816.97

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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.