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Finding the Fourth Proportional to 151,174.92, 226,795.14 and 45,991.12

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Solution

The fourth proportional to 151,174.92, 226,795.14 and 45,991.12 is: 68,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,174.92 : 226,795.14 = 45,991.12 : x
  2. Step 2: Convert to fraction form
    151,174.92/226,795.14 = 45,991.12/x
  3. Step 3: Cross multiply
    151,174.92x = 226,795.14 × 45,991.12
  4. Step 4: Simplify right side
    151,174.92x = 10,430,562,499.16
  5. Step 5: Solve for x
    x = 10,430,562,499.16/151,174.92
  6. Step 6: Final answer
    x = 68,996.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.