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Finding the Fourth Proportional to 107,957.49, 149,054.72 and 69,809.32

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Solution

The fourth proportional to 107,957.49, 149,054.72 and 69,809.32 is: 96,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.49 : 149,054.72 = 69,809.32 : x
  2. Step 2: Convert to fraction form
    107,957.49/149,054.72 = 69,809.32/x
  3. Step 3: Cross multiply
    107,957.49x = 149,054.72 × 69,809.32
  4. Step 4: Simplify right side
    107,957.49x = 10,405,408,645.99
  5. Step 5: Solve for x
    x = 10,405,408,645.99/107,957.49
  6. Step 6: Final answer
    x = 96,384.31

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