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Finding the Fourth Proportional to 106,636.46, 159,938.28 and 35,560.34

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Solution

The fourth proportional to 106,636.46, 159,938.28 and 35,560.34 is: 53,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,636.46 : 159,938.28 = 35,560.34 : x
  2. Step 2: Convert to fraction form
    106,636.46/159,938.28 = 35,560.34/x
  3. Step 3: Cross multiply
    106,636.46x = 159,938.28 × 35,560.34
  4. Step 4: Simplify right side
    106,636.46x = 5,687,458,816.12
  5. Step 5: Solve for x
    x = 5,687,458,816.12/106,636.46
  6. Step 6: Final answer
    x = 53,335.03

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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.