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Finding the Fourth Proportional to 113,099.92, 169,648.44 and 27,711.64

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Solution

The fourth proportional to 113,099.92, 169,648.44 and 27,711.64 is: 41,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,099.92 : 169,648.44 = 27,711.64 : x
  2. Step 2: Convert to fraction form
    113,099.92/169,648.44 = 27,711.64/x
  3. Step 3: Cross multiply
    113,099.92x = 169,648.44 × 27,711.64
  4. Step 4: Simplify right side
    113,099.92x = 4,701,236,495.84
  5. Step 5: Solve for x
    x = 4,701,236,495.84/113,099.92
  6. Step 6: Final answer
    x = 41,567.11

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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.