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Finding the Fourth Proportional to 125,928.90, 188,893.35 and 102,309.30

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Solution

The fourth proportional to 125,928.90, 188,893.35 and 102,309.30 is: 153,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.90 : 188,893.35 = 102,309.30 : x
  2. Step 2: Convert to fraction form
    125,928.90/188,893.35 = 102,309.30/x
  3. Step 3: Cross multiply
    125,928.90x = 188,893.35 × 102,309.30
  4. Step 4: Simplify right side
    125,928.90x = 19,325,546,413.16
  5. Step 5: Solve for x
    x = 19,325,546,413.16/125,928.90
  6. Step 6: Final answer
    x = 153,463.95

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