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Finding the Fourth Proportional to 101,286.40, 151,929.60 and 34,717.60

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Solution

The fourth proportional to 101,286.40, 151,929.60 and 34,717.60 is: 52,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,286.40 : 151,929.60 = 34,717.60 : x
  2. Step 2: Convert to fraction form
    101,286.40/151,929.60 = 34,717.60/x
  3. Step 3: Cross multiply
    101,286.40x = 151,929.60 × 34,717.60
  4. Step 4: Simplify right side
    101,286.40x = 5,274,631,080.96
  5. Step 5: Solve for x
    x = 5,274,631,080.96/101,286.40
  6. Step 6: Final answer
    x = 52,076.40

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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.