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Finding the Fourth Proportional to 133,267.78, 199,936.30 and 39,773.53

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Solution

The fourth proportional to 133,267.78, 199,936.30 and 39,773.53 is: 59,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,267.78 : 199,936.30 = 39,773.53 : x
  2. Step 2: Convert to fraction form
    133,267.78/199,936.30 = 39,773.53/x
  3. Step 3: Cross multiply
    133,267.78x = 199,936.30 × 39,773.53
  4. Step 4: Simplify right side
    133,267.78x = 7,952,172,651.20
  5. Step 5: Solve for x
    x = 7,952,172,651.20/133,267.78
  6. Step 6: Final answer
    x = 59,670.63

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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.