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Finding the Fourth Proportional to 208,577.40, 287,835.10 and 117,951.18

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Solution

The fourth proportional to 208,577.40, 287,835.10 and 117,951.18 is: 162,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,577.40 : 287,835.10 = 117,951.18 : x
  2. Step 2: Convert to fraction form
    208,577.40/287,835.10 = 117,951.18/x
  3. Step 3: Cross multiply
    208,577.40x = 287,835.10 × 117,951.18
  4. Step 4: Simplify right side
    208,577.40x = 33,950,489,690.42
  5. Step 5: Solve for x
    x = 33,950,489,690.42/208,577.40
  6. Step 6: Final answer
    x = 162,771.66

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