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Finding the Fourth Proportional to 136,567, 204,886.95 and 43,072.75

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Solution

The fourth proportional to 136,567, 204,886.95 and 43,072.75 is: 64,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,567 : 204,886.95 = 43,072.75 : x
  2. Step 2: Convert to fraction form
    136,567/204,886.95 = 43,072.75/x
  3. Step 3: Cross multiply
    136,567x = 204,886.95 × 43,072.75
  4. Step 4: Simplify right side
    136,567x = 8,825,044,375.61
  5. Step 5: Solve for x
    x = 8,825,044,375.61/136,567
  6. Step 6: Final answer
    x = 64,620.62

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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.