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Finding the Fourth Proportional to 191,760.09, 287,681.66 and 73,431.44

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Solution

The fourth proportional to 191,760.09, 287,681.66 and 73,431.44 is: 110,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,760.09 : 287,681.66 = 73,431.44 : x
  2. Step 2: Convert to fraction form
    191,760.09/287,681.66 = 73,431.44/x
  3. Step 3: Cross multiply
    191,760.09x = 287,681.66 × 73,431.44
  4. Step 4: Simplify right side
    191,760.09x = 21,124,878,379.37
  5. Step 5: Solve for x
    x = 21,124,878,379.37/191,760.09
  6. Step 6: Final answer
    x = 110,163.06

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