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Finding the Fourth Proportional to 214,760.90, 321,999.17 and 102,458.45

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Solution

The fourth proportional to 214,760.90, 321,999.17 and 102,458.45 is: 153,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,760.90 : 321,999.17 = 102,458.45 : x
  2. Step 2: Convert to fraction form
    214,760.90/321,999.17 = 102,458.45/x
  3. Step 3: Cross multiply
    214,760.90x = 321,999.17 × 102,458.45
  4. Step 4: Simplify right side
    214,760.90x = 32,991,536,152.19
  5. Step 5: Solve for x
    x = 32,991,536,152.19/214,760.90
  6. Step 6: Final answer
    x = 153,619.84

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