Home / 263,885.13-395,677.72-103,874.34

Finding the Fourth Proportional to 263,885.13, 395,677.72 and 103,874.34

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Solution

The fourth proportional to 263,885.13, 395,677.72 and 103,874.34 is: 155,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,885.13 : 395,677.72 = 103,874.34 : x
  2. Step 2: Convert to fraction form
    263,885.13/395,677.72 = 103,874.34/x
  3. Step 3: Cross multiply
    263,885.13x = 395,677.72 × 103,874.34
  4. Step 4: Simplify right side
    263,885.13x = 41,100,762,017.70
  5. Step 5: Solve for x
    x = 41,100,762,017.70/263,885.13
  6. Step 6: Final answer
    x = 155,752.47

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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.