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Finding the Fourth Proportional to 170,586, 235,408.68 and 95,134.50

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Solution

The fourth proportional to 170,586, 235,408.68 and 95,134.50 is: 131,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,586 : 235,408.68 = 95,134.50 : x
  2. Step 2: Convert to fraction form
    170,586/235,408.68 = 95,134.50/x
  3. Step 3: Cross multiply
    170,586x = 235,408.68 × 95,134.50
  4. Step 4: Simplify right side
    170,586x = 22,395,487,067.46
  5. Step 5: Solve for x
    x = 22,395,487,067.46/170,586
  6. Step 6: Final answer
    x = 131,285.61

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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.