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Finding the Fourth Proportional to 101,193.36, 151,785.54 and 34,639.44

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Solution

The fourth proportional to 101,193.36, 151,785.54 and 34,639.44 is: 51,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,193.36 : 151,785.54 = 34,639.44 : x
  2. Step 2: Convert to fraction form
    101,193.36/151,785.54 = 34,639.44/x
  3. Step 3: Cross multiply
    101,193.36x = 151,785.54 × 34,639.44
  4. Step 4: Simplify right side
    101,193.36x = 5,257,766,105.70
  5. Step 5: Solve for x
    x = 5,257,766,105.70/101,193.36
  6. Step 6: Final answer
    x = 51,957.62

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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.