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Finding the Fourth Proportional to 113,605.44, 156,775.20 and 65,886.48

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Solution

The fourth proportional to 113,605.44, 156,775.20 and 65,886.48 is: 90,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.44 : 156,775.20 = 65,886.48 : x
  2. Step 2: Convert to fraction form
    113,605.44/156,775.20 = 65,886.48/x
  3. Step 3: Cross multiply
    113,605.44x = 156,775.20 × 65,886.48
  4. Step 4: Simplify right side
    113,605.44x = 10,329,366,079.30
  5. Step 5: Solve for x
    x = 10,329,366,079.30/113,605.44
  6. Step 6: Final answer
    x = 90,923.16

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