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Finding the Fourth Proportional to 179,783.60, 269,675.40 and 113,428.40

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Solution

The fourth proportional to 179,783.60, 269,675.40 and 113,428.40 is: 170,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,783.60 : 269,675.40 = 113,428.40 : x
  2. Step 2: Convert to fraction form
    179,783.60/269,675.40 = 113,428.40/x
  3. Step 3: Cross multiply
    179,783.60x = 269,675.40 × 113,428.40
  4. Step 4: Simplify right side
    179,783.60x = 30,588,849,141.36
  5. Step 5: Solve for x
    x = 30,588,849,141.36/179,783.60
  6. Step 6: Final answer
    x = 170,142.60

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