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Finding the Fourth Proportional to 122,368.83, 183,531.34 and 77,863.38

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Solution

The fourth proportional to 122,368.83, 183,531.34 and 77,863.38 is: 116,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,368.83 : 183,531.34 = 77,863.38 : x
  2. Step 2: Convert to fraction form
    122,368.83/183,531.34 = 77,863.38/x
  3. Step 3: Cross multiply
    122,368.83x = 183,531.34 × 77,863.38
  4. Step 4: Simplify right side
    122,368.83x = 14,290,370,468.33
  5. Step 5: Solve for x
    x = 14,290,370,468.33/122,368.83
  6. Step 6: Final answer
    x = 116,781.13

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