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Finding the Fourth Proportional to 143,152.20, 214,728.30 and 37,981.80

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Solution

The fourth proportional to 143,152.20, 214,728.30 and 37,981.80 is: 56,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,152.20 : 214,728.30 = 37,981.80 : x
  2. Step 2: Convert to fraction form
    143,152.20/214,728.30 = 37,981.80/x
  3. Step 3: Cross multiply
    143,152.20x = 214,728.30 × 37,981.80
  4. Step 4: Simplify right side
    143,152.20x = 8,155,767,344.94
  5. Step 5: Solve for x
    x = 8,155,767,344.94/143,152.20
  6. Step 6: Final answer
    x = 56,972.70

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