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Finding the Fourth Proportional to 112,554.48, 168,781.86 and 33,654

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Solution

The fourth proportional to 112,554.48, 168,781.86 and 33,654 is: 50,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,554.48 : 168,781.86 = 33,654 : x
  2. Step 2: Convert to fraction form
    112,554.48/168,781.86 = 33,654/x
  3. Step 3: Cross multiply
    112,554.48x = 168,781.86 × 33,654
  4. Step 4: Simplify right side
    112,554.48x = 5,680,184,716.44
  5. Step 5: Solve for x
    x = 5,680,184,716.44/112,554.48
  6. Step 6: Final answer
    x = 50,466.09

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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.