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Finding the Fourth Proportional to 111,467.60, 166,812.60 and 76,475.60

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Solution

The fourth proportional to 111,467.60, 166,812.60 and 76,475.60 is: 114,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,467.60 : 166,812.60 = 76,475.60 : x
  2. Step 2: Convert to fraction form
    111,467.60/166,812.60 = 76,475.60/x
  3. Step 3: Cross multiply
    111,467.60x = 166,812.60 × 76,475.60
  4. Step 4: Simplify right side
    111,467.60x = 12,757,093,672.56
  5. Step 5: Solve for x
    x = 12,757,093,672.56/111,467.60
  6. Step 6: Final answer
    x = 114,446.65

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