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Finding the Fourth Proportional to 115,942.80, 174,125.40 and 101,427.60

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Solution

The fourth proportional to 115,942.80, 174,125.40 and 101,427.60 is: 152,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942.80 : 174,125.40 = 101,427.60 : x
  2. Step 2: Convert to fraction form
    115,942.80/174,125.40 = 101,427.60/x
  3. Step 3: Cross multiply
    115,942.80x = 174,125.40 × 101,427.60
  4. Step 4: Simplify right side
    115,942.80x = 17,661,121,421.04
  5. Step 5: Solve for x
    x = 17,661,121,421.04/115,942.80
  6. Step 6: Final answer
    x = 152,326.16

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