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Finding the Fourth Proportional to 113,885.60, 170,828.40 and 107,434.40

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Solution

The fourth proportional to 113,885.60, 170,828.40 and 107,434.40 is: 161,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.60 : 170,828.40 = 107,434.40 : x
  2. Step 2: Convert to fraction form
    113,885.60/170,828.40 = 107,434.40/x
  3. Step 3: Cross multiply
    113,885.60x = 170,828.40 × 107,434.40
  4. Step 4: Simplify right side
    113,885.60x = 18,352,846,656.96
  5. Step 5: Solve for x
    x = 18,352,846,656.96/113,885.60
  6. Step 6: Final answer
    x = 161,151.60

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