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Finding the Fourth Proportional to 133,658.84, 184,449.20 and 73,231.77

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Solution

The fourth proportional to 133,658.84, 184,449.20 and 73,231.77 is: 101,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.84 : 184,449.20 = 73,231.77 : x
  2. Step 2: Convert to fraction form
    133,658.84/184,449.20 = 73,231.77/x
  3. Step 3: Cross multiply
    133,658.84x = 184,449.20 × 73,231.77
  4. Step 4: Simplify right side
    133,658.84x = 13,507,541,391.08
  5. Step 5: Solve for x
    x = 13,507,541,391.08/133,658.84
  6. Step 6: Final answer
    x = 101,059.84

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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.