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Finding the Fourth Proportional to 137,575.62, 206,328.78 and 53,306.82

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Solution

The fourth proportional to 137,575.62, 206,328.78 and 53,306.82 is: 79,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,575.62 : 206,328.78 = 53,306.82 : x
  2. Step 2: Convert to fraction form
    137,575.62/206,328.78 = 53,306.82/x
  3. Step 3: Cross multiply
    137,575.62x = 206,328.78 × 53,306.82
  4. Step 4: Simplify right side
    137,575.62x = 10,998,731,136.28
  5. Step 5: Solve for x
    x = 10,998,731,136.28/137,575.62
  6. Step 6: Final answer
    x = 79,946.80

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