Home / 197,027.72-271,898.56-112,144.78

Finding the Fourth Proportional to 197,027.72, 271,898.56 and 112,144.78

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Solution

The fourth proportional to 197,027.72, 271,898.56 and 112,144.78 is: 154,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,027.72 : 271,898.56 = 112,144.78 : x
  2. Step 2: Convert to fraction form
    197,027.72/271,898.56 = 112,144.78/x
  3. Step 3: Cross multiply
    197,027.72x = 271,898.56 × 112,144.78
  4. Step 4: Simplify right side
    197,027.72x = 30,492,004,042.76
  5. Step 5: Solve for x
    x = 30,492,004,042.76/197,027.72
  6. Step 6: Final answer
    x = 154,759.97

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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.