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Finding the Fourth Proportional to 117,932.40, 176,639.40 and 102,380.40

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Solution

The fourth proportional to 117,932.40, 176,639.40 and 102,380.40 is: 153,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.40 : 176,639.40 = 102,380.40 : x
  2. Step 2: Convert to fraction form
    117,932.40/176,639.40 = 102,380.40/x
  3. Step 3: Cross multiply
    117,932.40x = 176,639.40 × 102,380.40
  4. Step 4: Simplify right side
    117,932.40x = 18,084,412,427.76
  5. Step 5: Solve for x
    x = 18,084,412,427.76/117,932.40
  6. Step 6: Final answer
    x = 153,345.58

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