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Finding the Fourth Proportional to 453,083.40, 679,452.30 and 137,435.40

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Solution

The fourth proportional to 453,083.40, 679,452.30 and 137,435.40 is: 206,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,083.40 : 679,452.30 = 137,435.40 : x
  2. Step 2: Convert to fraction form
    453,083.40/679,452.30 = 137,435.40/x
  3. Step 3: Cross multiply
    453,083.40x = 679,452.30 × 137,435.40
  4. Step 4: Simplify right side
    453,083.40x = 93,380,798,631.42
  5. Step 5: Solve for x
    x = 93,380,798,631.42/453,083.40
  6. Step 6: Final answer
    x = 206,100.68

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