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Finding the Fourth Proportional to 208,673.15, 313,034.55 and 66,468.48

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Solution

The fourth proportional to 208,673.15, 313,034.55 and 66,468.48 is: 99,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673.15 : 313,034.55 = 66,468.48 : x
  2. Step 2: Convert to fraction form
    208,673.15/313,034.55 = 66,468.48/x
  3. Step 3: Cross multiply
    208,673.15x = 313,034.55 × 66,468.48
  4. Step 4: Simplify right side
    208,673.15x = 20,806,929,302.85
  5. Step 5: Solve for x
    x = 20,806,929,302.85/208,673.15
  6. Step 6: Final answer
    x = 99,710.62

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