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Finding the Fourth Proportional to 185,606.61, 256,137.28 and 100,723.67

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Solution

The fourth proportional to 185,606.61, 256,137.28 and 100,723.67 is: 138,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,606.61 : 256,137.28 = 100,723.67 : x
  2. Step 2: Convert to fraction form
    185,606.61/256,137.28 = 100,723.67/x
  3. Step 3: Cross multiply
    185,606.61x = 256,137.28 × 100,723.67
  4. Step 4: Simplify right side
    185,606.61x = 25,799,086,865.42
  5. Step 5: Solve for x
    x = 25,799,086,865.42/185,606.61
  6. Step 6: Final answer
    x = 138,998.75

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