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Finding the Fourth Proportional to 202,719.60, 279,756.48 and 117,836.70

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Solution

The fourth proportional to 202,719.60, 279,756.48 and 117,836.70 is: 162,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,719.60 : 279,756.48 = 117,836.70 : x
  2. Step 2: Convert to fraction form
    202,719.60/279,756.48 = 117,836.70/x
  3. Step 3: Cross multiply
    202,719.60x = 279,756.48 × 117,836.70
  4. Step 4: Simplify right side
    202,719.60x = 32,965,580,406.82
  5. Step 5: Solve for x
    x = 32,965,580,406.82/202,719.60
  6. Step 6: Final answer
    x = 162,616.64

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