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Finding the Fourth Proportional to 301,212.36, 451,821.78 and 90,852.12

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Solution

The fourth proportional to 301,212.36, 451,821.78 and 90,852.12 is: 136,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,212.36 : 451,821.78 = 90,852.12 : x
  2. Step 2: Convert to fraction form
    301,212.36/451,821.78 = 90,852.12/x
  3. Step 3: Cross multiply
    301,212.36x = 451,821.78 × 90,852.12
  4. Step 4: Simplify right side
    301,212.36x = 41,048,966,575.17
  5. Step 5: Solve for x
    x = 41,048,966,575.17/301,212.36
  6. Step 6: Final answer
    x = 136,279.16

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