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Finding the Fourth Proportional to 136,183.32, 187,932.96 and 76,567.32

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Solution

The fourth proportional to 136,183.32, 187,932.96 and 76,567.32 is: 105,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,183.32 : 187,932.96 = 76,567.32 : x
  2. Step 2: Convert to fraction form
    136,183.32/187,932.96 = 76,567.32/x
  3. Step 3: Cross multiply
    136,183.32x = 187,932.96 × 76,567.32
  4. Step 4: Simplify right side
    136,183.32x = 14,389,523,086.87
  5. Step 5: Solve for x
    x = 14,389,523,086.87/136,183.32
  6. Step 6: Final answer
    x = 105,662.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.