Home / 155,348.56-214,294.44-107,629.84

Finding the Fourth Proportional to 155,348.56, 214,294.44 and 107,629.84

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Solution

The fourth proportional to 155,348.56, 214,294.44 and 107,629.84 is: 148,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,348.56 : 214,294.44 = 107,629.84 : x
  2. Step 2: Convert to fraction form
    155,348.56/214,294.44 = 107,629.84/x
  3. Step 3: Cross multiply
    155,348.56x = 214,294.44 × 107,629.84
  4. Step 4: Simplify right side
    155,348.56x = 23,064,476,290.09
  5. Step 5: Solve for x
    x = 23,064,476,290.09/155,348.56
  6. Step 6: Final answer
    x = 148,469.20

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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.