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Finding the Fourth Proportional to 117,880.76, 162,689.28 and 66,206.33

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Solution

The fourth proportional to 117,880.76, 162,689.28 and 66,206.33 is: 91,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,880.76 : 162,689.28 = 66,206.33 : x
  2. Step 2: Convert to fraction form
    117,880.76/162,689.28 = 66,206.33/x
  3. Step 3: Cross multiply
    117,880.76x = 162,689.28 × 66,206.33
  4. Step 4: Simplify right side
    117,880.76x = 10,771,060,159.14
  5. Step 5: Solve for x
    x = 10,771,060,159.14/117,880.76
  6. Step 6: Final answer
    x = 91,372.50

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