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Finding the Fourth Proportional to 169,994.86, 255,001.41 and 43,636.25

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Solution

The fourth proportional to 169,994.86, 255,001.41 and 43,636.25 is: 65,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,994.86 : 255,001.41 = 43,636.25 : x
  2. Step 2: Convert to fraction form
    169,994.86/255,001.41 = 43,636.25/x
  3. Step 3: Cross multiply
    169,994.86x = 255,001.41 × 43,636.25
  4. Step 4: Simplify right side
    169,994.86x = 11,127,305,914.62
  5. Step 5: Solve for x
    x = 11,127,305,914.62/169,994.86
  6. Step 6: Final answer
    x = 65,456.72

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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.