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Finding the Fourth Proportional to 189,603.74, 261,630.78 and 104,715.74

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Solution

The fourth proportional to 189,603.74, 261,630.78 and 104,715.74 is: 144,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,603.74 : 261,630.78 = 104,715.74 : x
  2. Step 2: Convert to fraction form
    189,603.74/261,630.78 = 104,715.74/x
  3. Step 3: Cross multiply
    189,603.74x = 261,630.78 × 104,715.74
  4. Step 4: Simplify right side
    189,603.74x = 27,396,860,734.48
  5. Step 5: Solve for x
    x = 27,396,860,734.48/189,603.74
  6. Step 6: Final answer
    x = 144,495.36

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