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Finding the Fourth Proportional to 107,915.40, 161,873.10 and 34,043.40

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Solution

The fourth proportional to 107,915.40, 161,873.10 and 34,043.40 is: 51,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,915.40 : 161,873.10 = 34,043.40 : x
  2. Step 2: Convert to fraction form
    107,915.40/161,873.10 = 34,043.40/x
  3. Step 3: Cross multiply
    107,915.40x = 161,873.10 × 34,043.40
  4. Step 4: Simplify right side
    107,915.40x = 5,510,710,692.54
  5. Step 5: Solve for x
    x = 5,510,710,692.54/107,915.40
  6. Step 6: Final answer
    x = 51,065.10

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