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Finding the Fourth Proportional to 219,818.31, 303,365.58 and 123,031.89

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Solution

The fourth proportional to 219,818.31, 303,365.58 and 123,031.89 is: 169,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,818.31 : 303,365.58 = 123,031.89 : x
  2. Step 2: Convert to fraction form
    219,818.31/303,365.58 = 123,031.89/x
  3. Step 3: Cross multiply
    219,818.31x = 303,365.58 × 123,031.89
  4. Step 4: Simplify right side
    219,818.31x = 37,323,640,668.35
  5. Step 5: Solve for x
    x = 37,323,640,668.35/219,818.31
  6. Step 6: Final answer
    x = 169,793.14

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