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Finding the Fourth Proportional to 127,328.40, 190,853.10 and 64,047.60

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Solution

The fourth proportional to 127,328.40, 190,853.10 and 64,047.60 is: 96,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328.40 : 190,853.10 = 64,047.60 : x
  2. Step 2: Convert to fraction form
    127,328.40/190,853.10 = 64,047.60/x
  3. Step 3: Cross multiply
    127,328.40x = 190,853.10 × 64,047.60
  4. Step 4: Simplify right side
    127,328.40x = 12,223,683,007.56
  5. Step 5: Solve for x
    x = 12,223,683,007.56/127,328.40
  6. Step 6: Final answer
    x = 96,001.23

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