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Finding the Fourth Proportional to 133,793.70, 200,550.06 and 45,016.38

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Solution

The fourth proportional to 133,793.70, 200,550.06 and 45,016.38 is: 67,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,793.70 : 200,550.06 = 45,016.38 : x
  2. Step 2: Convert to fraction form
    133,793.70/200,550.06 = 45,016.38/x
  3. Step 3: Cross multiply
    133,793.70x = 200,550.06 × 45,016.38
  4. Step 4: Simplify right side
    133,793.70x = 9,028,036,482.15
  5. Step 5: Solve for x
    x = 9,028,036,482.15/133,793.70
  6. Step 6: Final answer
    x = 67,477.29

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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.