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Finding the Fourth Proportional to 103,624.75, 143,002.16 and 58,912.75

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Solution

The fourth proportional to 103,624.75, 143,002.16 and 58,912.75 is: 81,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.75 : 143,002.16 = 58,912.75 : x
  2. Step 2: Convert to fraction form
    103,624.75/143,002.16 = 58,912.75/x
  3. Step 3: Cross multiply
    103,624.75x = 143,002.16 × 58,912.75
  4. Step 4: Simplify right side
    103,624.75x = 8,424,650,501.54
  5. Step 5: Solve for x
    x = 8,424,650,501.54/103,624.75
  6. Step 6: Final answer
    x = 81,299.60

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