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Finding the Fourth Proportional to 230,821.32, 346,270.26 and 81,022.76

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Solution

The fourth proportional to 230,821.32, 346,270.26 and 81,022.76 is: 121,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,821.32 : 346,270.26 = 81,022.76 : x
  2. Step 2: Convert to fraction form
    230,821.32/346,270.26 = 81,022.76/x
  3. Step 3: Cross multiply
    230,821.32x = 346,270.26 × 81,022.76
  4. Step 4: Simplify right side
    230,821.32x = 28,055,772,171.12
  5. Step 5: Solve for x
    x = 28,055,772,171.12/230,821.32
  6. Step 6: Final answer
    x = 121,547.58

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