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Finding the Fourth Proportional to 129,460.28, 194,265.94 and 54,575.88

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Solution

The fourth proportional to 129,460.28, 194,265.94 and 54,575.88 is: 81,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,460.28 : 194,265.94 = 54,575.88 : x
  2. Step 2: Convert to fraction form
    129,460.28/194,265.94 = 54,575.88/x
  3. Step 3: Cross multiply
    129,460.28x = 194,265.94 × 54,575.88
  4. Step 4: Simplify right side
    129,460.28x = 10,602,234,629.53
  5. Step 5: Solve for x
    x = 10,602,234,629.53/129,460.28
  6. Step 6: Final answer
    x = 81,895.66

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