Home / 133,628.08-200,441.94-54,742.44

Finding the Fourth Proportional to 133,628.08, 200,441.94 and 54,742.44

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Solution

The fourth proportional to 133,628.08, 200,441.94 and 54,742.44 is: 82,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,628.08 : 200,441.94 = 54,742.44 : x
  2. Step 2: Convert to fraction form
    133,628.08/200,441.94 = 54,742.44/x
  3. Step 3: Cross multiply
    133,628.08x = 200,441.94 × 54,742.44
  4. Step 4: Simplify right side
    133,628.08x = 10,972,680,873.93
  5. Step 5: Solve for x
    x = 10,972,680,873.93/133,628.08
  6. Step 6: Final answer
    x = 82,113.59

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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.