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Finding the Fourth Proportional to 133,120.60, 199,421.70 and 73,850.20

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Solution

The fourth proportional to 133,120.60, 199,421.70 and 73,850.20 is: 110,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,120.60 : 199,421.70 = 73,850.20 : x
  2. Step 2: Convert to fraction form
    133,120.60/199,421.70 = 73,850.20/x
  3. Step 3: Cross multiply
    133,120.60x = 199,421.70 × 73,850.20
  4. Step 4: Simplify right side
    133,120.60x = 14,727,332,429.34
  5. Step 5: Solve for x
    x = 14,727,332,429.34/133,120.60
  6. Step 6: Final answer
    x = 110,631.51

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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.