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Finding the Fourth Proportional to 115,304.20, 173,029.20 and 67,919.20

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Solution

The fourth proportional to 115,304.20, 173,029.20 and 67,919.20 is: 101,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,304.20 : 173,029.20 = 67,919.20 : x
  2. Step 2: Convert to fraction form
    115,304.20/173,029.20 = 67,919.20/x
  3. Step 3: Cross multiply
    115,304.20x = 173,029.20 × 67,919.20
  4. Step 4: Simplify right side
    115,304.20x = 11,752,004,840.64
  5. Step 5: Solve for x
    x = 11,752,004,840.64/115,304.20
  6. Step 6: Final answer
    x = 101,921.74

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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.