Home / 165,658.91-248,258.47-75,481.24

Finding the Fourth Proportional to 165,658.91, 248,258.47 and 75,481.24

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Solution

The fourth proportional to 165,658.91, 248,258.47 and 75,481.24 is: 113,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,658.91 : 248,258.47 = 75,481.24 : x
  2. Step 2: Convert to fraction form
    165,658.91/248,258.47 = 75,481.24/x
  3. Step 3: Cross multiply
    165,658.91x = 248,258.47 × 75,481.24
  4. Step 4: Simplify right side
    165,658.91x = 18,738,857,362.24
  5. Step 5: Solve for x
    x = 18,738,857,362.24/165,658.91
  6. Step 6: Final answer
    x = 113,117.11

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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.