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Finding the Fourth Proportional to 188,690.50, 260,392.89 and 103,805.74

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Solution

The fourth proportional to 188,690.50, 260,392.89 and 103,805.74 is: 143,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,690.50 : 260,392.89 = 103,805.74 : x
  2. Step 2: Convert to fraction form
    188,690.50/260,392.89 = 103,805.74/x
  3. Step 3: Cross multiply
    188,690.50x = 260,392.89 × 103,805.74
  4. Step 4: Simplify right side
    188,690.50x = 27,030,276,637.19
  5. Step 5: Solve for x
    x = 27,030,276,637.19/188,690.50
  6. Step 6: Final answer
    x = 143,251.92

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