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Finding the Fourth Proportional to 122,455.80, 183,683.70 and 43,572.60

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Solution

The fourth proportional to 122,455.80, 183,683.70 and 43,572.60 is: 65,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,455.80 : 183,683.70 = 43,572.60 : x
  2. Step 2: Convert to fraction form
    122,455.80/183,683.70 = 43,572.60/x
  3. Step 3: Cross multiply
    122,455.80x = 183,683.70 × 43,572.60
  4. Step 4: Simplify right side
    122,455.80x = 8,003,576,386.62
  5. Step 5: Solve for x
    x = 8,003,576,386.62/122,455.80
  6. Step 6: Final answer
    x = 65,358.90

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