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Finding the Fourth Proportional to 170,330.40, 255,495.60 and 166,831.20

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Solution

The fourth proportional to 170,330.40, 255,495.60 and 166,831.20 is: 250,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,330.40 : 255,495.60 = 166,831.20 : x
  2. Step 2: Convert to fraction form
    170,330.40/255,495.60 = 166,831.20/x
  3. Step 3: Cross multiply
    170,330.40x = 255,495.60 × 166,831.20
  4. Step 4: Simplify right side
    170,330.40x = 42,624,637,542.72
  5. Step 5: Solve for x
    x = 42,624,637,542.72/170,330.40
  6. Step 6: Final answer
    x = 250,246.80

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