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Finding the Fourth Proportional to 131,467.40, 197,201.10 and 57,739.40

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Solution

The fourth proportional to 131,467.40, 197,201.10 and 57,739.40 is: 86,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,467.40 : 197,201.10 = 57,739.40 : x
  2. Step 2: Convert to fraction form
    131,467.40/197,201.10 = 57,739.40/x
  3. Step 3: Cross multiply
    131,467.40x = 197,201.10 × 57,739.40
  4. Step 4: Simplify right side
    131,467.40x = 11,386,273,193.34
  5. Step 5: Solve for x
    x = 11,386,273,193.34/131,467.40
  6. Step 6: Final answer
    x = 86,609.10

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