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Finding the Fourth Proportional to 133,383.84, 184,062.48 and 73,764

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Solution

The fourth proportional to 133,383.84, 184,062.48 and 73,764 is: 101,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383.84 : 184,062.48 = 73,764 : x
  2. Step 2: Convert to fraction form
    133,383.84/184,062.48 = 73,764/x
  3. Step 3: Cross multiply
    133,383.84x = 184,062.48 × 73,764
  4. Step 4: Simplify right side
    133,383.84x = 13,577,184,774.72
  5. Step 5: Solve for x
    x = 13,577,184,774.72/133,383.84
  6. Step 6: Final answer
    x = 101,790.33

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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.