Home / 197,225.92-272,172-107,801.92

Finding the Fourth Proportional to 197,225.92, 272,172 and 107,801.92

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Solution

The fourth proportional to 197,225.92, 272,172 and 107,801.92 is: 148,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,225.92 : 272,172 = 107,801.92 : x
  2. Step 2: Convert to fraction form
    197,225.92/272,172 = 107,801.92/x
  3. Step 3: Cross multiply
    197,225.92x = 272,172 × 107,801.92
  4. Step 4: Simplify right side
    197,225.92x = 29,340,664,170.24
  5. Step 5: Solve for x
    x = 29,340,664,170.24/197,225.92
  6. Step 6: Final answer
    x = 148,766.78

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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.