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Finding the Fourth Proportional to 133,912.56, 184,793.08 and 73,481.68

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Solution

The fourth proportional to 133,912.56, 184,793.08 and 73,481.68 is: 101,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,912.56 : 184,793.08 = 73,481.68 : x
  2. Step 2: Convert to fraction form
    133,912.56/184,793.08 = 73,481.68/x
  3. Step 3: Cross multiply
    133,912.56x = 184,793.08 × 73,481.68
  4. Step 4: Simplify right side
    133,912.56x = 13,578,905,970.77
  5. Step 5: Solve for x
    x = 13,578,905,970.77/133,912.56
  6. Step 6: Final answer
    x = 101,401.29

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1.5x scale

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.