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Finding the Fourth Proportional to 205,929.80, 308,894.70 and 164,457.80

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Solution

The fourth proportional to 205,929.80, 308,894.70 and 164,457.80 is: 246,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,929.80 : 308,894.70 = 164,457.80 : x
  2. Step 2: Convert to fraction form
    205,929.80/308,894.70 = 164,457.80/x
  3. Step 3: Cross multiply
    205,929.80x = 308,894.70 × 164,457.80
  4. Step 4: Simplify right side
    205,929.80x = 50,800,142,793.66
  5. Step 5: Solve for x
    x = 50,800,142,793.66/205,929.80
  6. Step 6: Final answer
    x = 246,686.70

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