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Finding the Fourth Proportional to 185,657.88, 256,207.98 and 100,774.92

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Solution

The fourth proportional to 185,657.88, 256,207.98 and 100,774.92 is: 139,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,657.88 : 256,207.98 = 100,774.92 : x
  2. Step 2: Convert to fraction form
    185,657.88/256,207.98 = 100,774.92/x
  3. Step 3: Cross multiply
    185,657.88x = 256,207.98 × 100,774.92
  4. Step 4: Simplify right side
    185,657.88x = 25,819,338,687.86
  5. Step 5: Solve for x
    x = 25,819,338,687.86/185,657.88
  6. Step 6: Final answer
    x = 139,069.45

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