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Finding the Fourth Proportional to 132,894.54, 199,341.81 and 91,215.18

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Solution

The fourth proportional to 132,894.54, 199,341.81 and 91,215.18 is: 136,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,894.54 : 199,341.81 = 91,215.18 : x
  2. Step 2: Convert to fraction form
    132,894.54/199,341.81 = 91,215.18/x
  3. Step 3: Cross multiply
    132,894.54x = 199,341.81 × 91,215.18
  4. Step 4: Simplify right side
    132,894.54x = 18,182,999,080.68
  5. Step 5: Solve for x
    x = 18,182,999,080.68/132,894.54
  6. Step 6: Final answer
    x = 136,822.77

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