Home / 133,956.45-184,845.85-76,610.75

Finding the Fourth Proportional to 133,956.45, 184,845.85 and 76,610.75

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Solution

The fourth proportional to 133,956.45, 184,845.85 and 76,610.75 is: 105,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,956.45 : 184,845.85 = 76,610.75 : x
  2. Step 2: Convert to fraction form
    133,956.45/184,845.85 = 76,610.75/x
  3. Step 3: Cross multiply
    133,956.45x = 184,845.85 × 76,610.75
  4. Step 4: Simplify right side
    133,956.45x = 14,161,178,087.13
  5. Step 5: Solve for x
    x = 14,161,178,087.13/133,956.45
  6. Step 6: Final answer
    x = 105,714.79

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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.