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Finding the Fourth Proportional to 229,063.44, 316,107.24 and 128,460.56

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Solution

The fourth proportional to 229,063.44, 316,107.24 and 128,460.56 is: 177,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,063.44 : 316,107.24 = 128,460.56 : x
  2. Step 2: Convert to fraction form
    229,063.44/316,107.24 = 128,460.56/x
  3. Step 3: Cross multiply
    229,063.44x = 316,107.24 × 128,460.56
  4. Step 4: Simplify right side
    229,063.44x = 40,607,313,070.45
  5. Step 5: Solve for x
    x = 40,607,313,070.45/229,063.44
  6. Step 6: Final answer
    x = 177,275.40

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