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Finding the Fourth Proportional to 133,481.04, 184,201.04 and 79,778

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Solution

The fourth proportional to 133,481.04, 184,201.04 and 79,778 is: 110,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.04 : 184,201.04 = 79,778 : x
  2. Step 2: Convert to fraction form
    133,481.04/184,201.04 = 79,778/x
  3. Step 3: Cross multiply
    133,481.04x = 184,201.04 × 79,778
  4. Step 4: Simplify right side
    133,481.04x = 14,695,190,569.12
  5. Step 5: Solve for x
    x = 14,695,190,569.12/133,481.04
  6. Step 6: Final answer
    x = 110,091.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.