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Finding the Fourth Proportional to 131,534.80, 197,302.20 and 57,662.80

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Solution

The fourth proportional to 131,534.80, 197,302.20 and 57,662.80 is: 86,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,534.80 : 197,302.20 = 57,662.80 : x
  2. Step 2: Convert to fraction form
    131,534.80/197,302.20 = 57,662.80/x
  3. Step 3: Cross multiply
    131,534.80x = 197,302.20 × 57,662.80
  4. Step 4: Simplify right side
    131,534.80x = 11,376,997,298.16
  5. Step 5: Solve for x
    x = 11,376,997,298.16/131,534.80
  6. Step 6: Final answer
    x = 86,494.20

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