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Finding the Fourth Proportional to 146,572.80, 219,859.20 and 87,475.20

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Solution

The fourth proportional to 146,572.80, 219,859.20 and 87,475.20 is: 131,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,572.80 : 219,859.20 = 87,475.20 : x
  2. Step 2: Convert to fraction form
    146,572.80/219,859.20 = 87,475.20/x
  3. Step 3: Cross multiply
    146,572.80x = 219,859.20 × 87,475.20
  4. Step 4: Simplify right side
    146,572.80x = 19,232,227,491.84
  5. Step 5: Solve for x
    x = 19,232,227,491.84/146,572.80
  6. Step 6: Final answer
    x = 131,212.80

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