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Finding the Fourth Proportional to 103,903.72, 143,384.27 and 58,581.31

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Solution

The fourth proportional to 103,903.72, 143,384.27 and 58,581.31 is: 80,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,903.72 : 143,384.27 = 58,581.31 : x
  2. Step 2: Convert to fraction form
    103,903.72/143,384.27 = 58,581.31/x
  3. Step 3: Cross multiply
    103,903.72x = 143,384.27 × 58,581.31
  4. Step 4: Simplify right side
    103,903.72x = 8,399,637,360.17
  5. Step 5: Solve for x
    x = 8,399,637,360.17/103,903.72
  6. Step 6: Final answer
    x = 80,840.58

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