Home / 133,669.58-200,504.64-54,769.64

Finding the Fourth Proportional to 133,669.58, 200,504.64 and 54,769.64

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Solution

The fourth proportional to 133,669.58, 200,504.64 and 54,769.64 is: 82,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669.58 : 200,504.64 = 54,769.64 : x
  2. Step 2: Convert to fraction form
    133,669.58/200,504.64 = 54,769.64/x
  3. Step 3: Cross multiply
    133,669.58x = 200,504.64 × 54,769.64
  4. Step 4: Simplify right side
    133,669.58x = 10,981,566,951.13
  5. Step 5: Solve for x
    x = 10,981,566,951.13/133,669.58
  6. Step 6: Final answer
    x = 82,154.57

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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.