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Finding the Fourth Proportional to 133,930.60, 184,832.42 and 88,529.83

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Solution

The fourth proportional to 133,930.60, 184,832.42 and 88,529.83 is: 122,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,930.60 : 184,832.42 = 88,529.83 : x
  2. Step 2: Convert to fraction form
    133,930.60/184,832.42 = 88,529.83/x
  3. Step 3: Cross multiply
    133,930.60x = 184,832.42 × 88,529.83
  4. Step 4: Simplify right side
    133,930.60x = 16,363,181,816.36
  5. Step 5: Solve for x
    x = 16,363,181,816.36/133,930.60
  6. Step 6: Final answer
    x = 122,176.58

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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.