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Finding the Fourth Proportional to 133,732.80, 200,550.60 and 44,989.20

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Solution

The fourth proportional to 133,732.80, 200,550.60 and 44,989.20 is: 67,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,732.80 : 200,550.60 = 44,989.20 : x
  2. Step 2: Convert to fraction form
    133,732.80/200,550.60 = 44,989.20/x
  3. Step 3: Cross multiply
    133,732.80x = 200,550.60 × 44,989.20
  4. Step 4: Simplify right side
    133,732.80x = 9,022,611,053.52
  5. Step 5: Solve for x
    x = 9,022,611,053.52/133,732.80
  6. Step 6: Final answer
    x = 67,467.45

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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.