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Finding the Fourth Proportional to 146,783.31, 202,557.54 and 86,357.85

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Solution

The fourth proportional to 146,783.31, 202,557.54 and 86,357.85 is: 119,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.31 : 202,557.54 = 86,357.85 : x
  2. Step 2: Convert to fraction form
    146,783.31/202,557.54 = 86,357.85/x
  3. Step 3: Cross multiply
    146,783.31x = 202,557.54 × 86,357.85
  4. Step 4: Simplify right side
    146,783.31x = 17,492,432,491.30
  5. Step 5: Solve for x
    x = 17,492,432,491.30/146,783.31
  6. Step 6: Final answer
    x = 119,171.81

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