Home / 201,466.80-278,018.61-109,583.04

Finding the Fourth Proportional to 201,466.80, 278,018.61 and 109,583.04

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Solution

The fourth proportional to 201,466.80, 278,018.61 and 109,583.04 is: 151,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,466.80 : 278,018.61 = 109,583.04 : x
  2. Step 2: Convert to fraction form
    201,466.80/278,018.61 = 109,583.04/x
  3. Step 3: Cross multiply
    201,466.80x = 278,018.61 × 109,583.04
  4. Step 4: Simplify right side
    201,466.80x = 30,466,124,460.37
  5. Step 5: Solve for x
    x = 30,466,124,460.37/201,466.80
  6. Step 6: Final answer
    x = 151,221.56

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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.