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Finding the Fourth Proportional to 97,794.54, 134,913.60 and 75,093.48

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Solution

The fourth proportional to 97,794.54, 134,913.60 and 75,093.48 is: 103,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,794.54 : 134,913.60 = 75,093.48 : x
  2. Step 2: Convert to fraction form
    97,794.54/134,913.60 = 75,093.48/x
  3. Step 3: Cross multiply
    97,794.54x = 134,913.60 × 75,093.48
  4. Step 4: Simplify right side
    97,794.54x = 10,131,131,723.33
  5. Step 5: Solve for x
    x = 10,131,131,723.33/97,794.54
  6. Step 6: Final answer
    x = 103,596.09

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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.