Home / 133,540.92-184,286.34-73,111.68

Finding the Fourth Proportional to 133,540.92, 184,286.34 and 73,111.68

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Solution

The fourth proportional to 133,540.92, 184,286.34 and 73,111.68 is: 100,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,540.92 : 184,286.34 = 73,111.68 : x
  2. Step 2: Convert to fraction form
    133,540.92/184,286.34 = 73,111.68/x
  3. Step 3: Cross multiply
    133,540.92x = 184,286.34 × 73,111.68
  4. Step 4: Simplify right side
    133,540.92x = 13,473,483,918.45
  5. Step 5: Solve for x
    x = 13,473,483,918.45/133,540.92
  6. Step 6: Final answer
    x = 100,894.05

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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.