Home / 272,458.08-408,096.36-131,922

Finding the Fourth Proportional to 272,458.08, 408,096.36 and 131,922

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Solution

The fourth proportional to 272,458.08, 408,096.36 and 131,922 is: 197,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,458.08 : 408,096.36 = 131,922 : x
  2. Step 2: Convert to fraction form
    272,458.08/408,096.36 = 131,922/x
  3. Step 3: Cross multiply
    272,458.08x = 408,096.36 × 131,922
  4. Step 4: Simplify right side
    272,458.08x = 53,836,888,003.92
  5. Step 5: Solve for x
    x = 53,836,888,003.92/272,458.08
  6. Step 6: Final answer
    x = 197,596.96

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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.