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Finding the Fourth Proportional to 165,890.70, 248,836.05 and 95,906.70

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Solution

The fourth proportional to 165,890.70, 248,836.05 and 95,906.70 is: 143,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,890.70 : 248,836.05 = 95,906.70 : x
  2. Step 2: Convert to fraction form
    165,890.70/248,836.05 = 95,906.70/x
  3. Step 3: Cross multiply
    165,890.70x = 248,836.05 × 95,906.70
  4. Step 4: Simplify right side
    165,890.70x = 23,865,044,396.54
  5. Step 5: Solve for x
    x = 23,865,044,396.54/165,890.70
  6. Step 6: Final answer
    x = 143,860.05

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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.