Home / 204,867.91-307,440.78-71,749.27

Finding the Fourth Proportional to 204,867.91, 307,440.78 and 71,749.27

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Solution

The fourth proportional to 204,867.91, 307,440.78 and 71,749.27 is: 107,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,867.91 : 307,440.78 = 71,749.27 : x
  2. Step 2: Convert to fraction form
    204,867.91/307,440.78 = 71,749.27/x
  3. Step 3: Cross multiply
    204,867.91x = 307,440.78 × 71,749.27
  4. Step 4: Simplify right side
    204,867.91x = 22,058,651,533.23
  5. Step 5: Solve for x
    x = 22,058,651,533.23/204,867.91
  6. Step 6: Final answer
    x = 107,672.56

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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.