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Finding the Fourth Proportional to 127,198.72, 175,525.44 and 70,605.64

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Solution

The fourth proportional to 127,198.72, 175,525.44 and 70,605.64 is: 97,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198.72 : 175,525.44 = 70,605.64 : x
  2. Step 2: Convert to fraction form
    127,198.72/175,525.44 = 70,605.64/x
  3. Step 3: Cross multiply
    127,198.72x = 175,525.44 × 70,605.64
  4. Step 4: Simplify right side
    127,198.72x = 12,393,086,027.48
  5. Step 5: Solve for x
    x = 12,393,086,027.48/127,198.72
  6. Step 6: Final answer
    x = 97,430.90

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