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Finding the Fourth Proportional to 103,674.97, 143,078.70 and 58,357.30

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Solution

The fourth proportional to 103,674.97, 143,078.70 and 58,357.30 is: 80,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.97 : 143,078.70 = 58,357.30 : x
  2. Step 2: Convert to fraction form
    103,674.97/143,078.70 = 58,357.30/x
  3. Step 3: Cross multiply
    103,674.97x = 143,078.70 × 58,357.30
  4. Step 4: Simplify right side
    103,674.97x = 8,349,686,619.51
  5. Step 5: Solve for x
    x = 8,349,686,619.51/103,674.97
  6. Step 6: Final answer
    x = 80,537.15

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