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Finding the Fourth Proportional to 102,740.69, 154,112.85 and 39,554.61

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Solution

The fourth proportional to 102,740.69, 154,112.85 and 39,554.61 is: 59,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,740.69 : 154,112.85 = 39,554.61 : x
  2. Step 2: Convert to fraction form
    102,740.69/154,112.85 = 39,554.61/x
  3. Step 3: Cross multiply
    102,740.69x = 154,112.85 × 39,554.61
  4. Step 4: Simplify right side
    102,740.69x = 6,095,873,677.74
  5. Step 5: Solve for x
    x = 6,095,873,677.74/102,740.69
  6. Step 6: Final answer
    x = 59,332.62

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