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Finding the Fourth Proportional to 146,978.34, 220,443.89 and 40,337.39

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Solution

The fourth proportional to 146,978.34, 220,443.89 and 40,337.39 is: 60,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,978.34 : 220,443.89 = 40,337.39 : x
  2. Step 2: Convert to fraction form
    146,978.34/220,443.89 = 40,337.39/x
  3. Step 3: Cross multiply
    146,978.34x = 220,443.89 × 40,337.39
  4. Step 4: Simplify right side
    146,978.34x = 8,892,129,860.14
  5. Step 5: Solve for x
    x = 8,892,129,860.14/146,978.34
  6. Step 6: Final answer
    x = 60,499.59

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