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Finding the Fourth Proportional to 139,051.80, 208,577.70 and 133,608.60

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Solution

The fourth proportional to 139,051.80, 208,577.70 and 133,608.60 is: 200,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,051.80 : 208,577.70 = 133,608.60 : x
  2. Step 2: Convert to fraction form
    139,051.80/208,577.70 = 133,608.60/x
  3. Step 3: Cross multiply
    139,051.80x = 208,577.70 × 133,608.60
  4. Step 4: Simplify right side
    139,051.80x = 27,867,774,488.22
  5. Step 5: Solve for x
    x = 27,867,774,488.22/139,051.80
  6. Step 6: Final answer
    x = 200,412.90

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