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Finding the Fourth Proportional to 136,496.39, 188,362.47 and 76,065.71

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Solution

The fourth proportional to 136,496.39, 188,362.47 and 76,065.71 is: 104,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,496.39 : 188,362.47 = 76,065.71 : x
  2. Step 2: Convert to fraction form
    136,496.39/188,362.47 = 76,065.71/x
  3. Step 3: Cross multiply
    136,496.39x = 188,362.47 × 76,065.71
  4. Step 4: Simplify right side
    136,496.39x = 14,327,925,017.90
  5. Step 5: Solve for x
    x = 14,327,925,017.90/136,496.39
  6. Step 6: Final answer
    x = 104,969.26

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