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Finding the Fourth Proportional to 122,355.85, 183,600.66 and 47,478.94

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Solution

The fourth proportional to 122,355.85, 183,600.66 and 47,478.94 is: 71,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,355.85 : 183,600.66 = 47,478.94 : x
  2. Step 2: Convert to fraction form
    122,355.85/183,600.66 = 47,478.94/x
  3. Step 3: Cross multiply
    122,355.85x = 183,600.66 × 47,478.94
  4. Step 4: Simplify right side
    122,355.85x = 8,717,164,720.10
  5. Step 5: Solve for x
    x = 8,717,164,720.10/122,355.85
  6. Step 6: Final answer
    x = 71,244.36

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