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Finding the Fourth Proportional to 122,693.78, 183,852.95 and 82,564.16

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Solution

The fourth proportional to 122,693.78, 183,852.95 and 82,564.16 is: 123,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,693.78 : 183,852.95 = 82,564.16 : x
  2. Step 2: Convert to fraction form
    122,693.78/183,852.95 = 82,564.16/x
  3. Step 3: Cross multiply
    122,693.78x = 183,852.95 × 82,564.16
  4. Step 4: Simplify right side
    122,693.78x = 15,179,663,667.42
  5. Step 5: Solve for x
    x = 15,179,663,667.42/122,693.78
  6. Step 6: Final answer
    x = 123,719.91

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