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Finding the Fourth Proportional to 165,253.88, 247,878.84 and 60,071.96

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Solution

The fourth proportional to 165,253.88, 247,878.84 and 60,071.96 is: 90,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,253.88 : 247,878.84 = 60,071.96 : x
  2. Step 2: Convert to fraction form
    165,253.88/247,878.84 = 60,071.96/x
  3. Step 3: Cross multiply
    165,253.88x = 247,878.84 × 60,071.96
  4. Step 4: Simplify right side
    165,253.88x = 14,890,567,761.33
  5. Step 5: Solve for x
    x = 14,890,567,761.33/165,253.88
  6. Step 6: Final answer
    x = 90,107.22

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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.