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Finding the Fourth Proportional to 312,151.47, 430,770.17 and 168,911.51

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Solution

The fourth proportional to 312,151.47, 430,770.17 and 168,911.51 is: 233,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,151.47 : 430,770.17 = 168,911.51 : x
  2. Step 2: Convert to fraction form
    312,151.47/430,770.17 = 168,911.51/x
  3. Step 3: Cross multiply
    312,151.47x = 430,770.17 × 168,911.51
  4. Step 4: Simplify right side
    312,151.47x = 72,762,036,879.25
  5. Step 5: Solve for x
    x = 72,762,036,879.25/312,151.47
  6. Step 6: Final answer
    x = 233,098.49

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