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Finding the Fourth Proportional to 218,898.64, 302,080.28 and 118,296.64

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Solution

The fourth proportional to 218,898.64, 302,080.28 and 118,296.64 is: 163,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,898.64 : 302,080.28 = 118,296.64 : x
  2. Step 2: Convert to fraction form
    218,898.64/302,080.28 = 118,296.64/x
  3. Step 3: Cross multiply
    218,898.64x = 302,080.28 × 118,296.64
  4. Step 4: Simplify right side
    218,898.64x = 35,735,082,134.26
  5. Step 5: Solve for x
    x = 35,735,082,134.26/218,898.64
  6. Step 6: Final answer
    x = 163,249.45

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