Home / 206,749.92-285,240.24-117,274.08

Finding the Fourth Proportional to 206,749.92, 285,240.24 and 117,274.08

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Solution

The fourth proportional to 206,749.92, 285,240.24 and 117,274.08 is: 161,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,749.92 : 285,240.24 = 117,274.08 : x
  2. Step 2: Convert to fraction form
    206,749.92/285,240.24 = 117,274.08/x
  3. Step 3: Cross multiply
    206,749.92x = 285,240.24 × 117,274.08
  4. Step 4: Simplify right side
    206,749.92x = 33,451,286,724.98
  5. Step 5: Solve for x
    x = 33,451,286,724.98/206,749.92
  6. Step 6: Final answer
    x = 161,795.89

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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.