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Finding the Fourth Proportional to 166,796.52, 250,194.78 and 42,137.52

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Solution

The fourth proportional to 166,796.52, 250,194.78 and 42,137.52 is: 63,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,796.52 : 250,194.78 = 42,137.52 : x
  2. Step 2: Convert to fraction form
    166,796.52/250,194.78 = 42,137.52/x
  3. Step 3: Cross multiply
    166,796.52x = 250,194.78 × 42,137.52
  4. Step 4: Simplify right side
    166,796.52x = 10,542,587,546.15
  5. Step 5: Solve for x
    x = 10,542,587,546.15/166,796.52
  6. Step 6: Final answer
    x = 63,206.28

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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.