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Finding the Fourth Proportional to 75,160.32, 112,731.52 and 19,760.64

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Solution

The fourth proportional to 75,160.32, 112,731.52 and 19,760.64 is: 29,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.32 : 112,731.52 = 19,760.64 : x
  2. Step 2: Convert to fraction form
    75,160.32/112,731.52 = 19,760.64/x
  3. Step 3: Cross multiply
    75,160.32x = 112,731.52 × 19,760.64
  4. Step 4: Simplify right side
    75,160.32x = 2,227,646,983.37
  5. Step 5: Solve for x
    x = 2,227,646,983.37/75,160.32
  6. Step 6: Final answer
    x = 29,638.60

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