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Finding the Fourth Proportional to 189,720.83, 261,814.83 and 104,837.89

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Solution

The fourth proportional to 189,720.83, 261,814.83 and 104,837.89 is: 144,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,720.83 : 261,814.83 = 104,837.89 : x
  2. Step 2: Convert to fraction form
    189,720.83/261,814.83 = 104,837.89/x
  3. Step 3: Cross multiply
    189,720.83x = 261,814.83 × 104,837.89
  4. Step 4: Simplify right side
    189,720.83x = 27,448,114,413.78
  5. Step 5: Solve for x
    x = 27,448,114,413.78/189,720.83
  6. Step 6: Final answer
    x = 144,676.34

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