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Finding the Fourth Proportional to 105,759.71, 145,947.49 and 58,012.19

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Solution

The fourth proportional to 105,759.71, 145,947.49 and 58,012.19 is: 80,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,759.71 : 145,947.49 = 58,012.19 : x
  2. Step 2: Convert to fraction form
    105,759.71/145,947.49 = 58,012.19/x
  3. Step 3: Cross multiply
    105,759.71x = 145,947.49 × 58,012.19
  4. Step 4: Simplify right side
    105,759.71x = 8,466,733,519.90
  5. Step 5: Solve for x
    x = 8,466,733,519.90/105,759.71
  6. Step 6: Final answer
    x = 80,056.32

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