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Finding the Fourth Proportional to 208,076.55, 312,117.47 and 73,135.17

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Solution

The fourth proportional to 208,076.55, 312,117.47 and 73,135.17 is: 109,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076.55 : 312,117.47 = 73,135.17 : x
  2. Step 2: Convert to fraction form
    208,076.55/312,117.47 = 73,135.17/x
  3. Step 3: Cross multiply
    208,076.55x = 312,117.47 × 73,135.17
  4. Step 4: Simplify right side
    208,076.55x = 22,826,764,137.00
  5. Step 5: Solve for x
    x = 22,826,764,137.00/208,076.55
  6. Step 6: Final answer
    x = 109,703.69

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