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Finding the Fourth Proportional to 453,874.80, 680,812.20 and 121,450.80

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Solution

The fourth proportional to 453,874.80, 680,812.20 and 121,450.80 is: 182,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,874.80 : 680,812.20 = 121,450.80 : x
  2. Step 2: Convert to fraction form
    453,874.80/680,812.20 = 121,450.80/x
  3. Step 3: Cross multiply
    453,874.80x = 680,812.20 × 121,450.80
  4. Step 4: Simplify right side
    453,874.80x = 82,685,186,339.76
  5. Step 5: Solve for x
    x = 82,685,186,339.76/453,874.80
  6. Step 6: Final answer
    x = 182,176.20

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