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Finding the Fourth Proportional to 113,390.52, 170,027.46 and 51,027

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Solution

The fourth proportional to 113,390.52, 170,027.46 and 51,027 is: 76,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,390.52 : 170,027.46 = 51,027 : x
  2. Step 2: Convert to fraction form
    113,390.52/170,027.46 = 51,027/x
  3. Step 3: Cross multiply
    113,390.52x = 170,027.46 × 51,027
  4. Step 4: Simplify right side
    113,390.52x = 8,675,991,201.42
  5. Step 5: Solve for x
    x = 8,675,991,201.42/113,390.52
  6. Step 6: Final answer
    x = 76,514.26

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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.