Home / 263,636.90-395,473.65-105,865.37

Finding the Fourth Proportional to 263,636.90, 395,473.65 and 105,865.37

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Solution

The fourth proportional to 263,636.90, 395,473.65 and 105,865.37 is: 158,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,636.90 : 395,473.65 = 105,865.37 : x
  2. Step 2: Convert to fraction form
    263,636.90/395,473.65 = 105,865.37/x
  3. Step 3: Cross multiply
    263,636.90x = 395,473.65 × 105,865.37
  4. Step 4: Simplify right side
    263,636.90x = 41,866,964,874.19
  5. Step 5: Solve for x
    x = 41,866,964,874.19/263,636.90
  6. Step 6: Final answer
    x = 158,805.40

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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.