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Finding the Fourth Proportional to 133,608.67, 184,372.23 and 73,180.47

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Solution

The fourth proportional to 133,608.67, 184,372.23 and 73,180.47 is: 100,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,608.67 : 184,372.23 = 73,180.47 : x
  2. Step 2: Convert to fraction form
    133,608.67/184,372.23 = 73,180.47/x
  3. Step 3: Cross multiply
    133,608.67x = 184,372.23 × 73,180.47
  4. Step 4: Simplify right side
    133,608.67x = 13,492,446,446.35
  5. Step 5: Solve for x
    x = 13,492,446,446.35/133,608.67
  6. Step 6: Final answer
    x = 100,984.81

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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.