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Finding the Fourth Proportional to 158,802.24, 219,137.16 and 87,181.80

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Solution

The fourth proportional to 158,802.24, 219,137.16 and 87,181.80 is: 120,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,802.24 : 219,137.16 = 87,181.80 : x
  2. Step 2: Convert to fraction form
    158,802.24/219,137.16 = 87,181.80/x
  3. Step 3: Cross multiply
    158,802.24x = 219,137.16 × 87,181.80
  4. Step 4: Simplify right side
    158,802.24x = 19,104,772,055.69
  5. Step 5: Solve for x
    x = 19,104,772,055.69/158,802.24
  6. Step 6: Final answer
    x = 120,305.43

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