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Finding the Fourth Proportional to 133,073.60, 199,633.44 and 54,230.72

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Solution

The fourth proportional to 133,073.60, 199,633.44 and 54,230.72 is: 81,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.60 : 199,633.44 = 54,230.72 : x
  2. Step 2: Convert to fraction form
    133,073.60/199,633.44 = 54,230.72/x
  3. Step 3: Cross multiply
    133,073.60x = 199,633.44 × 54,230.72
  4. Step 4: Simplify right side
    133,073.60x = 10,826,265,187.28
  5. Step 5: Solve for x
    x = 10,826,265,187.28/133,073.60
  6. Step 6: Final answer
    x = 81,355.47

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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.