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Finding the Fourth Proportional to 103,639.30, 155,458.59 and 44,436.58

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Solution

The fourth proportional to 103,639.30, 155,458.59 and 44,436.58 is: 66,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.30 : 155,458.59 = 44,436.58 : x
  2. Step 2: Convert to fraction form
    103,639.30/155,458.59 = 44,436.58/x
  3. Step 3: Cross multiply
    103,639.30x = 155,458.59 × 44,436.58
  4. Step 4: Simplify right side
    103,639.30x = 6,908,048,071.22
  5. Step 5: Solve for x
    x = 6,908,048,071.22/103,639.30
  6. Step 6: Final answer
    x = 66,654.72

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