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Finding the Fourth Proportional to 103,669.76, 143,064.48 and 58,957.76

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Solution

The fourth proportional to 103,669.76, 143,064.48 and 58,957.76 is: 81,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.76 : 143,064.48 = 58,957.76 : x
  2. Step 2: Convert to fraction form
    103,669.76/143,064.48 = 58,957.76/x
  3. Step 3: Cross multiply
    103,669.76x = 143,064.48 × 58,957.76
  4. Step 4: Simplify right side
    103,669.76x = 8,434,761,276.36
  5. Step 5: Solve for x
    x = 8,434,761,276.36/103,669.76
  6. Step 6: Final answer
    x = 81,361.83

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