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Finding the Fourth Proportional to 102,305.60, 153,516.96 and 55,562.56

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Solution

The fourth proportional to 102,305.60, 153,516.96 and 55,562.56 is: 83,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.60 : 153,516.96 = 55,562.56 : x
  2. Step 2: Convert to fraction form
    102,305.60/153,516.96 = 55,562.56/x
  3. Step 3: Cross multiply
    102,305.60x = 153,516.96 × 55,562.56
  4. Step 4: Simplify right side
    102,305.60x = 8,529,795,301.02
  5. Step 5: Solve for x
    x = 8,529,795,301.02/102,305.60
  6. Step 6: Final answer
    x = 83,375.64

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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.