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Finding the Fourth Proportional to 146,538.40, 219,807.60 and 53,010.40

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Solution

The fourth proportional to 146,538.40, 219,807.60 and 53,010.40 is: 79,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.40 : 219,807.60 = 53,010.40 : x
  2. Step 2: Convert to fraction form
    146,538.40/219,807.60 = 53,010.40/x
  3. Step 3: Cross multiply
    146,538.40x = 219,807.60 × 53,010.40
  4. Step 4: Simplify right side
    146,538.40x = 11,652,088,799.04
  5. Step 5: Solve for x
    x = 11,652,088,799.04/146,538.40
  6. Step 6: Final answer
    x = 79,515.60

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