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Finding the Fourth Proportional to 160,389.50, 221,395.83 and 93,321.50

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Solution

The fourth proportional to 160,389.50, 221,395.83 and 93,321.50 is: 128,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,389.50 : 221,395.83 = 93,321.50 : x
  2. Step 2: Convert to fraction form
    160,389.50/221,395.83 = 93,321.50/x
  3. Step 3: Cross multiply
    160,389.50x = 221,395.83 × 93,321.50
  4. Step 4: Simplify right side
    160,389.50x = 20,660,990,949.35
  5. Step 5: Solve for x
    x = 20,660,990,949.35/160,389.50
  6. Step 6: Final answer
    x = 128,817.60

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