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Finding the Fourth Proportional to 105,872.90, 158,823.16 and 55,954.92

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Solution

The fourth proportional to 105,872.90, 158,823.16 and 55,954.92 is: 83,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872.90 : 158,823.16 = 55,954.92 : x
  2. Step 2: Convert to fraction form
    105,872.90/158,823.16 = 55,954.92/x
  3. Step 3: Cross multiply
    105,872.90x = 158,823.16 × 55,954.92
  4. Step 4: Simplify right side
    105,872.90x = 8,886,937,211.95
  5. Step 5: Solve for x
    x = 8,886,937,211.95/105,872.90
  6. Step 6: Final answer
    x = 83,939.68

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