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Finding the Fourth Proportional to 345,098.16, 517,771.79 and 120,491.68

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Solution

The fourth proportional to 345,098.16, 517,771.79 and 120,491.68 is: 180,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,098.16 : 517,771.79 = 120,491.68 : x
  2. Step 2: Convert to fraction form
    345,098.16/517,771.79 = 120,491.68/x
  3. Step 3: Cross multiply
    345,098.16x = 517,771.79 × 120,491.68
  4. Step 4: Simplify right side
    345,098.16x = 62,387,190,742.56
  5. Step 5: Solve for x
    x = 62,387,190,742.56/345,098.16
  6. Step 6: Final answer
    x = 180,781.00

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