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Finding the Fourth Proportional to 188,716.60, 260,436.07 and 108,159.67

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Solution

The fourth proportional to 188,716.60, 260,436.07 and 108,159.67 is: 149,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,716.60 : 260,436.07 = 108,159.67 : x
  2. Step 2: Convert to fraction form
    188,716.60/260,436.07 = 108,159.67/x
  3. Step 3: Cross multiply
    188,716.60x = 260,436.07 × 108,159.67
  4. Step 4: Simplify right side
    188,716.60x = 28,168,679,387.30
  5. Step 5: Solve for x
    x = 28,168,679,387.30/188,716.60
  6. Step 6: Final answer
    x = 149,264.45

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