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Finding the Fourth Proportional to 117,516.92, 162,173.46 and 63,801.92

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Solution

The fourth proportional to 117,516.92, 162,173.46 and 63,801.92 is: 88,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516.92 : 162,173.46 = 63,801.92 : x
  2. Step 2: Convert to fraction form
    117,516.92/162,173.46 = 63,801.92/x
  3. Step 3: Cross multiply
    117,516.92x = 162,173.46 × 63,801.92
  4. Step 4: Simplify right side
    117,516.92x = 10,346,978,121.04
  5. Step 5: Solve for x
    x = 10,346,978,121.04/117,516.92
  6. Step 6: Final answer
    x = 88,046.71

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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.