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Finding the Fourth Proportional to 455,086.26, 682,700.67 and 139,510.26

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Solution

The fourth proportional to 455,086.26, 682,700.67 and 139,510.26 is: 209,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,086.26 : 682,700.67 = 139,510.26 : x
  2. Step 2: Convert to fraction form
    455,086.26/682,700.67 = 139,510.26/x
  3. Step 3: Cross multiply
    455,086.26x = 682,700.67 × 139,510.26
  4. Step 4: Simplify right side
    455,086.26x = 95,243,747,973.87
  5. Step 5: Solve for x
    x = 95,243,747,973.87/455,086.26
  6. Step 6: Final answer
    x = 209,287.24

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