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Finding the Fourth Proportional to 454,615.52, 681,898.55 and 139,072.43

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Solution

The fourth proportional to 454,615.52, 681,898.55 and 139,072.43 is: 208,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,615.52 : 681,898.55 = 139,072.43 : x
  2. Step 2: Convert to fraction form
    454,615.52/681,898.55 = 139,072.43/x
  3. Step 3: Cross multiply
    454,615.52x = 681,898.55 × 139,072.43
  4. Step 4: Simplify right side
    454,615.52x = 94,833,285,300.16
  5. Step 5: Solve for x
    x = 94,833,285,300.16/454,615.52
  6. Step 6: Final answer
    x = 208,601.08

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