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Finding the Fourth Proportional to 92,882.45, 128,230.92 and 61,143.61

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Solution

The fourth proportional to 92,882.45, 128,230.92 and 61,143.61 is: 84,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.45 : 128,230.92 = 61,143.61 : x
  2. Step 2: Convert to fraction form
    92,882.45/128,230.92 = 61,143.61/x
  3. Step 3: Cross multiply
    92,882.45x = 128,230.92 × 61,143.61
  4. Step 4: Simplify right side
    92,882.45x = 7,840,501,454.24
  5. Step 5: Solve for x
    x = 7,840,501,454.24/92,882.45
  6. Step 6: Final answer
    x = 84,413.17

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