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Finding the Fourth Proportional to 113,838.48, 170,790.48 and 47,266.20

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Solution

The fourth proportional to 113,838.48, 170,790.48 and 47,266.20 is: 70,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,838.48 : 170,790.48 = 47,266.20 : x
  2. Step 2: Convert to fraction form
    113,838.48/170,790.48 = 47,266.20/x
  3. Step 3: Cross multiply
    113,838.48x = 170,790.48 × 47,266.20
  4. Step 4: Simplify right side
    113,838.48x = 8,072,616,985.78
  5. Step 5: Solve for x
    x = 8,072,616,985.78/113,838.48
  6. Step 6: Final answer
    x = 70,912.90

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