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Finding the Fourth Proportional to 132,531.68, 182,880.07 and 78,806.32

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Solution

The fourth proportional to 132,531.68, 182,880.07 and 78,806.32 is: 108,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.68 : 182,880.07 = 78,806.32 : x
  2. Step 2: Convert to fraction form
    132,531.68/182,880.07 = 78,806.32/x
  3. Step 3: Cross multiply
    132,531.68x = 182,880.07 × 78,806.32
  4. Step 4: Simplify right side
    132,531.68x = 14,412,104,663.83
  5. Step 5: Solve for x
    x = 14,412,104,663.83/132,531.68
  6. Step 6: Final answer
    x = 108,744.60

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