Home / 255,936.06-383,739.72-106,279.62

Finding the Fourth Proportional to 255,936.06, 383,739.72 and 106,279.62

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Solution

The fourth proportional to 255,936.06, 383,739.72 and 106,279.62 is: 159,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,936.06 : 383,739.72 = 106,279.62 : x
  2. Step 2: Convert to fraction form
    255,936.06/383,739.72 = 106,279.62/x
  3. Step 3: Cross multiply
    255,936.06x = 383,739.72 × 106,279.62
  4. Step 4: Simplify right side
    255,936.06x = 40,783,711,620.51
  5. Step 5: Solve for x
    x = 40,783,711,620.51/255,936.06
  6. Step 6: Final answer
    x = 159,351.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.