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Finding the Fourth Proportional to 133,572.38, 184,329.88 and 73,956.38

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Solution

The fourth proportional to 133,572.38, 184,329.88 and 73,956.38 is: 102,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,572.38 : 184,329.88 = 73,956.38 : x
  2. Step 2: Convert to fraction form
    133,572.38/184,329.88 = 73,956.38/x
  3. Step 3: Cross multiply
    133,572.38x = 184,329.88 × 73,956.38
  4. Step 4: Simplify right side
    133,572.38x = 13,632,369,544.09
  5. Step 5: Solve for x
    x = 13,632,369,544.09/133,572.38
  6. Step 6: Final answer
    x = 102,059.80

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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.