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Finding the Fourth Proportional to 94,660.80, 141,935.04 and 83,592.96

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Solution

The fourth proportional to 94,660.80, 141,935.04 and 83,592.96 is: 125,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,660.80 : 141,935.04 = 83,592.96 : x
  2. Step 2: Convert to fraction form
    94,660.80/141,935.04 = 83,592.96/x
  3. Step 3: Cross multiply
    94,660.80x = 141,935.04 × 83,592.96
  4. Step 4: Simplify right side
    94,660.80x = 11,864,770,121.32
  5. Step 5: Solve for x
    x = 11,864,770,121.32/94,660.80
  6. Step 6: Final answer
    x = 125,339.85

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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.