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Finding the Fourth Proportional to 141,698.16, 212,678.46 and 71,626.68

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Solution

The fourth proportional to 141,698.16, 212,678.46 and 71,626.68 is: 107,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,698.16 : 212,678.46 = 71,626.68 : x
  2. Step 2: Convert to fraction form
    141,698.16/212,678.46 = 71,626.68/x
  3. Step 3: Cross multiply
    141,698.16x = 212,678.46 × 71,626.68
  4. Step 4: Simplify right side
    141,698.16x = 15,233,451,997.31
  5. Step 5: Solve for x
    x = 15,233,451,997.31/141,698.16
  6. Step 6: Final answer
    x = 107,506.35

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