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Finding the Fourth Proportional to 146,021.60, 219,032.40 and 76,037.60

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Solution

The fourth proportional to 146,021.60, 219,032.40 and 76,037.60 is: 114,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.60 : 219,032.40 = 76,037.60 : x
  2. Step 2: Convert to fraction form
    146,021.60/219,032.40 = 76,037.60/x
  3. Step 3: Cross multiply
    146,021.60x = 219,032.40 × 76,037.60
  4. Step 4: Simplify right side
    146,021.60x = 16,654,698,018.24
  5. Step 5: Solve for x
    x = 16,654,698,018.24/146,021.60
  6. Step 6: Final answer
    x = 114,056.40

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