Home / 201,467.30-278,019.31-109,583.54

Finding the Fourth Proportional to 201,467.30, 278,019.31 and 109,583.54

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Solution

The fourth proportional to 201,467.30, 278,019.31 and 109,583.54 is: 151,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,467.30 : 278,019.31 = 109,583.54 : x
  2. Step 2: Convert to fraction form
    201,467.30/278,019.31 = 109,583.54/x
  3. Step 3: Cross multiply
    201,467.30x = 278,019.31 × 109,583.54
  4. Step 4: Simplify right side
    201,467.30x = 30,466,340,178.16
  5. Step 5: Solve for x
    x = 30,466,340,178.16/201,467.30
  6. Step 6: Final answer
    x = 151,222.26

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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.