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Finding the Fourth Proportional to 111,838, 167,757 and 28,732

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Solution

The fourth proportional to 111,838, 167,757 and 28,732 is: 43,098

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,838 : 167,757 = 28,732 : x
  2. Step 2: Convert to fraction form
    111,838/167,757 = 28,732/x
  3. Step 3: Cross multiply
    111,838x = 167,757 × 28,732
  4. Step 4: Simplify right side
    111,838x = 4,819,994,124
  5. Step 5: Solve for x
    x = 4,819,994,124/111,838
  6. Step 6: Final answer
    x = 43,098

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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.