Home / 263,083.37-394,502.36-136,689.64

Finding the Fourth Proportional to 263,083.37, 394,502.36 and 136,689.64

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Solution

The fourth proportional to 263,083.37, 394,502.36 and 136,689.64 is: 204,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,083.37 : 394,502.36 = 136,689.64 : x
  2. Step 2: Convert to fraction form
    263,083.37/394,502.36 = 136,689.64/x
  3. Step 3: Cross multiply
    263,083.37x = 394,502.36 × 136,689.64
  4. Step 4: Simplify right side
    263,083.37x = 53,924,382,911.59
  5. Step 5: Solve for x
    x = 53,924,382,911.59/263,083.37
  6. Step 6: Final answer
    x = 204,970.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.