Home / 133,540.58-184,286.03-73,115.06

Finding the Fourth Proportional to 133,540.58, 184,286.03 and 73,115.06

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Solution

The fourth proportional to 133,540.58, 184,286.03 and 73,115.06 is: 100,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,540.58 : 184,286.03 = 73,115.06 : x
  2. Step 2: Convert to fraction form
    133,540.58/184,286.03 = 73,115.06/x
  3. Step 3: Cross multiply
    133,540.58x = 184,286.03 × 73,115.06
  4. Step 4: Simplify right side
    133,540.58x = 13,474,084,140.61
  5. Step 5: Solve for x
    x = 13,474,084,140.61/133,540.58
  6. Step 6: Final answer
    x = 100,898.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.