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Finding the Fourth Proportional to 133,508.57, 184,242.10 and 73,083.07

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Solution

The fourth proportional to 133,508.57, 184,242.10 and 73,083.07 is: 100,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,508.57 : 184,242.10 = 73,083.07 : x
  2. Step 2: Convert to fraction form
    133,508.57/184,242.10 = 73,083.07/x
  3. Step 3: Cross multiply
    133,508.57x = 184,242.10 × 73,083.07
  4. Step 4: Simplify right side
    133,508.57x = 13,464,978,612.90
  5. Step 5: Solve for x
    x = 13,464,978,612.90/133,508.57
  6. Step 6: Final answer
    x = 100,854.79

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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.