Home / 201,722.24-278,374.20-111,076.28

Finding the Fourth Proportional to 201,722.24, 278,374.20 and 111,076.28

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Solution

The fourth proportional to 201,722.24, 278,374.20 and 111,076.28 is: 153,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,722.24 : 278,374.20 = 111,076.28 : x
  2. Step 2: Convert to fraction form
    201,722.24/278,374.20 = 111,076.28/x
  3. Step 3: Cross multiply
    201,722.24x = 278,374.20 × 111,076.28
  4. Step 4: Simplify right side
    201,722.24x = 30,920,770,583.98
  5. Step 5: Solve for x
    x = 30,920,770,583.98/201,722.24
  6. Step 6: Final answer
    x = 153,283.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.