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Finding the Fourth Proportional to 107,381.74, 148,220.79 and 75,643.51

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Solution

The fourth proportional to 107,381.74, 148,220.79 and 75,643.51 is: 104,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.74 : 148,220.79 = 75,643.51 : x
  2. Step 2: Convert to fraction form
    107,381.74/148,220.79 = 75,643.51/x
  3. Step 3: Cross multiply
    107,381.74x = 148,220.79 × 75,643.51
  4. Step 4: Simplify right side
    107,381.74x = 11,211,940,069.47
  5. Step 5: Solve for x
    x = 11,211,940,069.47/107,381.74
  6. Step 6: Final answer
    x = 104,411.98

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