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Finding the Fourth Proportional to 136,965.96, 188,956.74 and 83,242.32

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Solution

The fourth proportional to 136,965.96, 188,956.74 and 83,242.32 is: 114,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,965.96 : 188,956.74 = 83,242.32 : x
  2. Step 2: Convert to fraction form
    136,965.96/188,956.74 = 83,242.32/x
  3. Step 3: Cross multiply
    136,965.96x = 188,956.74 × 83,242.32
  4. Step 4: Simplify right side
    136,965.96x = 15,729,197,417.24
  5. Step 5: Solve for x
    x = 15,729,197,417.24/136,965.96
  6. Step 6: Final answer
    x = 114,840.19

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