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Finding the Fourth Proportional to 141,677.78, 212,493.60 and 57,434.54

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Solution

The fourth proportional to 141,677.78, 212,493.60 and 57,434.54 is: 86,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,677.78 : 212,493.60 = 57,434.54 : x
  2. Step 2: Convert to fraction form
    141,677.78/212,493.60 = 57,434.54/x
  3. Step 3: Cross multiply
    141,677.78x = 212,493.60 × 57,434.54
  4. Step 4: Simplify right side
    141,677.78x = 12,204,471,106.48
  5. Step 5: Solve for x
    x = 12,204,471,106.48/141,677.78
  6. Step 6: Final answer
    x = 86,142.45

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