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Finding the Fourth Proportional to 218,058.42, 300,929.15 and 122,564.82

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Solution

The fourth proportional to 218,058.42, 300,929.15 and 122,564.82 is: 169,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,058.42 : 300,929.15 = 122,564.82 : x
  2. Step 2: Convert to fraction form
    218,058.42/300,929.15 = 122,564.82/x
  3. Step 3: Cross multiply
    218,058.42x = 300,929.15 × 122,564.82
  4. Step 4: Simplify right side
    218,058.42x = 36,883,327,102.50
  5. Step 5: Solve for x
    x = 36,883,327,102.50/218,058.42
  6. Step 6: Final answer
    x = 169,144.25

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