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Finding the Fourth Proportional to 125,928.73, 173,728.60 and 83,413.45

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Solution

The fourth proportional to 125,928.73, 173,728.60 and 83,413.45 is: 115,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.73 : 173,728.60 = 83,413.45 : x
  2. Step 2: Convert to fraction form
    125,928.73/173,728.60 = 83,413.45/x
  3. Step 3: Cross multiply
    125,928.73x = 173,728.60 × 83,413.45
  4. Step 4: Simplify right side
    125,928.73x = 14,491,301,889.67
  5. Step 5: Solve for x
    x = 14,491,301,889.67/125,928.73
  6. Step 6: Final answer
    x = 115,075.42

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