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Finding the Fourth Proportional to 136,291.84, 188,082.74 and 75,861.19

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Solution

The fourth proportional to 136,291.84, 188,082.74 and 75,861.19 is: 104,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,291.84 : 188,082.74 = 75,861.19 : x
  2. Step 2: Convert to fraction form
    136,291.84/188,082.74 = 75,861.19/x
  3. Step 3: Cross multiply
    136,291.84x = 188,082.74 × 75,861.19
  4. Step 4: Simplify right side
    136,291.84x = 14,268,179,534.45
  5. Step 5: Solve for x
    x = 14,268,179,534.45/136,291.84
  6. Step 6: Final answer
    x = 104,688.44

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