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Finding the Fourth Proportional to 133,396.26, 199,963.14 and 63,324.78

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Solution

The fourth proportional to 133,396.26, 199,963.14 and 63,324.78 is: 94,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,396.26 : 199,963.14 = 63,324.78 : x
  2. Step 2: Convert to fraction form
    133,396.26/199,963.14 = 63,324.78/x
  3. Step 3: Cross multiply
    133,396.26x = 199,963.14 × 63,324.78
  4. Step 4: Simplify right side
    133,396.26x = 12,662,621,848.61
  5. Step 5: Solve for x
    x = 12,662,621,848.61/133,396.26
  6. Step 6: Final answer
    x = 94,924.86

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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.