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Finding the Fourth Proportional to 105,448.30, 145,518.63 and 57,701.63

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Solution

The fourth proportional to 105,448.30, 145,518.63 and 57,701.63 is: 79,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,448.30 : 145,518.63 = 57,701.63 : x
  2. Step 2: Convert to fraction form
    105,448.30/145,518.63 = 57,701.63/x
  3. Step 3: Cross multiply
    105,448.30x = 145,518.63 × 57,701.63
  4. Step 4: Simplify right side
    105,448.30x = 8,396,662,293.78
  5. Step 5: Solve for x
    x = 8,396,662,293.78/105,448.30
  6. Step 6: Final answer
    x = 79,628.24

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