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Finding the Fourth Proportional to 95,236.52, 142,855.02 and 28,676.84

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Solution

The fourth proportional to 95,236.52, 142,855.02 and 28,676.84 is: 43,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,236.52 : 142,855.02 = 28,676.84 : x
  2. Step 2: Convert to fraction form
    95,236.52/142,855.02 = 28,676.84/x
  3. Step 3: Cross multiply
    95,236.52x = 142,855.02 × 28,676.84
  4. Step 4: Simplify right side
    95,236.52x = 4,096,630,551.74
  5. Step 5: Solve for x
    x = 4,096,630,551.74/95,236.52
  6. Step 6: Final answer
    x = 43,015.33

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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.