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Finding the Fourth Proportional to 85,195.14, 127,598.31 and 72,701.70

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Solution

The fourth proportional to 85,195.14, 127,598.31 and 72,701.70 is: 108,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,195.14 : 127,598.31 = 72,701.70 : x
  2. Step 2: Convert to fraction form
    85,195.14/127,598.31 = 72,701.70/x
  3. Step 3: Cross multiply
    85,195.14x = 127,598.31 × 72,701.70
  4. Step 4: Simplify right side
    85,195.14x = 9,276,614,054.13
  5. Step 5: Solve for x
    x = 9,276,614,054.13/85,195.14
  6. Step 6: Final answer
    x = 108,886.66

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