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Finding the Fourth Proportional to 113,895.20, 170,842.80 and 50,715.20

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Solution

The fourth proportional to 113,895.20, 170,842.80 and 50,715.20 is: 76,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,895.20 : 170,842.80 = 50,715.20 : x
  2. Step 2: Convert to fraction form
    113,895.20/170,842.80 = 50,715.20/x
  3. Step 3: Cross multiply
    113,895.20x = 170,842.80 × 50,715.20
  4. Step 4: Simplify right side
    113,895.20x = 8,664,326,770.56
  5. Step 5: Solve for x
    x = 8,664,326,770.56/113,895.20
  6. Step 6: Final answer
    x = 76,072.80

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