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Finding the Fourth Proportional to 191,866.05, 287,634.96 and 73,622.25

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Solution

The fourth proportional to 191,866.05, 287,634.96 and 73,622.25 is: 110,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,866.05 : 287,634.96 = 73,622.25 : x
  2. Step 2: Convert to fraction form
    191,866.05/287,634.96 = 73,622.25/x
  3. Step 3: Cross multiply
    191,866.05x = 287,634.96 × 73,622.25
  4. Step 4: Simplify right side
    191,866.05x = 21,176,332,933.86
  5. Step 5: Solve for x
    x = 21,176,332,933.86/191,866.05
  6. Step 6: Final answer
    x = 110,370.40

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