Home / 263,639.55-395,477.77-105,868

Finding the Fourth Proportional to 263,639.55, 395,477.77 and 105,868

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Solution

The fourth proportional to 263,639.55, 395,477.77 and 105,868 is: 158,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,639.55 : 395,477.77 = 105,868 : x
  2. Step 2: Convert to fraction form
    263,639.55/395,477.77 = 105,868/x
  3. Step 3: Cross multiply
    263,639.55x = 395,477.77 × 105,868
  4. Step 4: Simplify right side
    263,639.55x = 41,868,440,554.36
  5. Step 5: Solve for x
    x = 41,868,440,554.36/263,639.55
  6. Step 6: Final answer
    x = 158,809.41

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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.