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Finding the Fourth Proportional to 133,866.30, 184,737.96 and 73,440.04

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Solution

The fourth proportional to 133,866.30, 184,737.96 and 73,440.04 is: 101,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,866.30 : 184,737.96 = 73,440.04 : x
  2. Step 2: Convert to fraction form
    133,866.30/184,737.96 = 73,440.04/x
  3. Step 3: Cross multiply
    133,866.30x = 184,737.96 × 73,440.04
  4. Step 4: Simplify right side
    133,866.30x = 13,567,163,171.92
  5. Step 5: Solve for x
    x = 13,567,163,171.92/133,866.30
  6. Step 6: Final answer
    x = 101,348.61

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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.