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Finding the Fourth Proportional to 96,171.92, 132,735.34 and 55,887.89

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Solution

The fourth proportional to 96,171.92, 132,735.34 and 55,887.89 is: 77,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,171.92 : 132,735.34 = 55,887.89 : x
  2. Step 2: Convert to fraction form
    96,171.92/132,735.34 = 55,887.89/x
  3. Step 3: Cross multiply
    96,171.92x = 132,735.34 × 55,887.89
  4. Step 4: Simplify right side
    96,171.92x = 7,418,297,487.22
  5. Step 5: Solve for x
    x = 7,418,297,487.22/96,171.92
  6. Step 6: Final answer
    x = 77,135.80

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1.5x scale

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.