Home / 133,680.38-184,484.39-77,091.75

Finding the Fourth Proportional to 133,680.38, 184,484.39 and 77,091.75

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Solution

The fourth proportional to 133,680.38, 184,484.39 and 77,091.75 is: 106,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,680.38 : 184,484.39 = 77,091.75 : x
  2. Step 2: Convert to fraction form
    133,680.38/184,484.39 = 77,091.75/x
  3. Step 3: Cross multiply
    133,680.38x = 184,484.39 × 77,091.75
  4. Step 4: Simplify right side
    133,680.38x = 14,222,224,087.32
  5. Step 5: Solve for x
    x = 14,222,224,087.32/133,680.38
  6. Step 6: Final answer
    x = 106,389.77

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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.