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Finding the Fourth Proportional to 111,370.60, 166,910.10 and 98,831.80

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Solution

The fourth proportional to 111,370.60, 166,910.10 and 98,831.80 is: 148,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,370.60 : 166,910.10 = 98,831.80 : x
  2. Step 2: Convert to fraction form
    111,370.60/166,910.10 = 98,831.80/x
  3. Step 3: Cross multiply
    111,370.60x = 166,910.10 × 98,831.80
  4. Step 4: Simplify right side
    111,370.60x = 16,496,025,621.18
  5. Step 5: Solve for x
    x = 16,496,025,621.18/111,370.60
  6. Step 6: Final answer
    x = 148,118.32

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