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Finding the Fourth Proportional to 258,705.82, 357,003.56 and 143,981.22

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Solution

The fourth proportional to 258,705.82, 357,003.56 and 143,981.22 is: 198,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,705.82 : 357,003.56 = 143,981.22 : x
  2. Step 2: Convert to fraction form
    258,705.82/357,003.56 = 143,981.22/x
  3. Step 3: Cross multiply
    258,705.82x = 357,003.56 × 143,981.22
  4. Step 4: Simplify right side
    258,705.82x = 51,401,808,113.14
  5. Step 5: Solve for x
    x = 51,401,808,113.14/258,705.82
  6. Step 6: Final answer
    x = 198,688.26

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