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Finding the Fourth Proportional to 132,902, 183,404.76 and 73,286

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Solution

The fourth proportional to 132,902, 183,404.76 and 73,286 is: 101,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,902 : 183,404.76 = 73,286 : x
  2. Step 2: Convert to fraction form
    132,902/183,404.76 = 73,286/x
  3. Step 3: Cross multiply
    132,902x = 183,404.76 × 73,286
  4. Step 4: Simplify right side
    132,902x = 13,441,001,241.36
  5. Step 5: Solve for x
    x = 13,441,001,241.36/132,902
  6. Step 6: Final answer
    x = 101,134.68

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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.