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Finding the Fourth Proportional to 208,699.02, 288,009.79 and 118,050.70

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Solution

The fourth proportional to 208,699.02, 288,009.79 and 118,050.70 is: 162,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,699.02 : 288,009.79 = 118,050.70 : x
  2. Step 2: Convert to fraction form
    208,699.02/288,009.79 = 118,050.70/x
  3. Step 3: Cross multiply
    208,699.02x = 288,009.79 × 118,050.70
  4. Step 4: Simplify right side
    208,699.02x = 33,999,757,316.35
  5. Step 5: Solve for x
    x = 33,999,757,316.35/208,699.02
  6. Step 6: Final answer
    x = 162,912.87

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