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Finding the Fourth Proportional to 185,756.63, 256,344.75 and 122,208.48

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Solution

The fourth proportional to 185,756.63, 256,344.75 and 122,208.48 is: 168,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.63 : 256,344.75 = 122,208.48 : x
  2. Step 2: Convert to fraction form
    185,756.63/256,344.75 = 122,208.48/x
  3. Step 3: Cross multiply
    185,756.63x = 256,344.75 × 122,208.48
  4. Step 4: Simplify right side
    185,756.63x = 31,327,502,253.48
  5. Step 5: Solve for x
    x = 31,327,502,253.48/185,756.63
  6. Step 6: Final answer
    x = 168,648.10

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