Home / 105,104.11-145,046.73-57,360.54

Finding the Fourth Proportional to 105,104.11, 145,046.73 and 57,360.54

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Solution

The fourth proportional to 105,104.11, 145,046.73 and 57,360.54 is: 79,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,104.11 : 145,046.73 = 57,360.54 : x
  2. Step 2: Convert to fraction form
    105,104.11/145,046.73 = 57,360.54/x
  3. Step 3: Cross multiply
    105,104.11x = 145,046.73 × 57,360.54
  4. Step 4: Simplify right side
    105,104.11x = 8,319,958,758.03
  5. Step 5: Solve for x
    x = 8,319,958,758.03/105,104.11
  6. Step 6: Final answer
    x = 79,159.21

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