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Finding the Fourth Proportional to 132,918.92, 183,411.78 and 112,856.84

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Solution

The fourth proportional to 132,918.92, 183,411.78 and 112,856.84 is: 155,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.92 : 183,411.78 = 112,856.84 : x
  2. Step 2: Convert to fraction form
    132,918.92/183,411.78 = 112,856.84/x
  3. Step 3: Cross multiply
    132,918.92x = 183,411.78 × 112,856.84
  4. Step 4: Simplify right side
    132,918.92x = 20,699,273,909.58
  5. Step 5: Solve for x
    x = 20,699,273,909.58/132,918.92
  6. Step 6: Final answer
    x = 155,728.57

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