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Finding the Fourth Proportional to 115,971.20, 174,014.40 and 45,852.80

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Solution

The fourth proportional to 115,971.20, 174,014.40 and 45,852.80 is: 68,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,971.20 : 174,014.40 = 45,852.80 : x
  2. Step 2: Convert to fraction form
    115,971.20/174,014.40 = 45,852.80/x
  3. Step 3: Cross multiply
    115,971.20x = 174,014.40 × 45,852.80
  4. Step 4: Simplify right side
    115,971.20x = 7,979,047,480.32
  5. Step 5: Solve for x
    x = 7,979,047,480.32/115,971.20
  6. Step 6: Final answer
    x = 68,801.97

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