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Finding the Fourth Proportional to 107,972.60, 161,840.10 and 37,815.80

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Solution

The fourth proportional to 107,972.60, 161,840.10 and 37,815.80 is: 56,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.60 : 161,840.10 = 37,815.80 : x
  2. Step 2: Convert to fraction form
    107,972.60/161,840.10 = 37,815.80/x
  3. Step 3: Cross multiply
    107,972.60x = 161,840.10 × 37,815.80
  4. Step 4: Simplify right side
    107,972.60x = 6,120,112,853.58
  5. Step 5: Solve for x
    x = 6,120,112,853.58/107,972.60
  6. Step 6: Final answer
    x = 56,682.09

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