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Finding the Fourth Proportional to 118,656, 163,704.57 and 67,631.92

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Solution

The fourth proportional to 118,656, 163,704.57 and 67,631.92 is: 93,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,656 : 163,704.57 = 67,631.92 : x
  2. Step 2: Convert to fraction form
    118,656/163,704.57 = 67,631.92/x
  3. Step 3: Cross multiply
    118,656x = 163,704.57 × 67,631.92
  4. Step 4: Simplify right side
    118,656x = 11,071,654,381.87
  5. Step 5: Solve for x
    x = 11,071,654,381.87/118,656
  6. Step 6: Final answer
    x = 93,308.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.