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Finding the Fourth Proportional to 368,111.20, 552,166.80 and 131,461.60

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Solution

The fourth proportional to 368,111.20, 552,166.80 and 131,461.60 is: 197,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,111.20 : 552,166.80 = 131,461.60 : x
  2. Step 2: Convert to fraction form
    368,111.20/552,166.80 = 131,461.60/x
  3. Step 3: Cross multiply
    368,111.20x = 552,166.80 × 131,461.60
  4. Step 4: Simplify right side
    368,111.20x = 72,588,730,994.88
  5. Step 5: Solve for x
    x = 72,588,730,994.88/368,111.20
  6. Step 6: Final answer
    x = 197,192.40

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