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Finding the Fourth Proportional to 107,138.59, 160,737.98 and 39,669.61

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Solution

The fourth proportional to 107,138.59, 160,737.98 and 39,669.61 is: 59,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,138.59 : 160,737.98 = 39,669.61 : x
  2. Step 2: Convert to fraction form
    107,138.59/160,737.98 = 39,669.61/x
  3. Step 3: Cross multiply
    107,138.59x = 160,737.98 × 39,669.61
  4. Step 4: Simplify right side
    107,138.59x = 6,376,412,780.44
  5. Step 5: Solve for x
    x = 6,376,412,780.44/107,138.59
  6. Step 6: Final answer
    x = 59,515.56

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