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Finding the Fourth Proportional to 116,881.28, 175,321.92 and 33,775.28

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Solution

The fourth proportional to 116,881.28, 175,321.92 and 33,775.28 is: 50,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,881.28 : 175,321.92 = 33,775.28 : x
  2. Step 2: Convert to fraction form
    116,881.28/175,321.92 = 33,775.28/x
  3. Step 3: Cross multiply
    116,881.28x = 175,321.92 × 33,775.28
  4. Step 4: Simplify right side
    116,881.28x = 5,921,546,938.14
  5. Step 5: Solve for x
    x = 5,921,546,938.14/116,881.28
  6. Step 6: Final answer
    x = 50,662.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.