Home / 155,270.35-214,435.74-106,997.79

Finding the Fourth Proportional to 155,270.35, 214,435.74 and 106,997.79

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Solution

The fourth proportional to 155,270.35, 214,435.74 and 106,997.79 is: 147,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,270.35 : 214,435.74 = 106,997.79 : x
  2. Step 2: Convert to fraction form
    155,270.35/214,435.74 = 106,997.79/x
  3. Step 3: Cross multiply
    155,270.35x = 214,435.74 × 106,997.79
  4. Step 4: Simplify right side
    155,270.35x = 22,944,150,277.01
  5. Step 5: Solve for x
    x = 22,944,150,277.01/155,270.35
  6. Step 6: Final answer
    x = 147,769.04

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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.