Home / 255,617.06-383,383.98-120,680.84

Finding the Fourth Proportional to 255,617.06, 383,383.98 and 120,680.84

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Solution

The fourth proportional to 255,617.06, 383,383.98 and 120,680.84 is: 181,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,617.06 : 383,383.98 = 120,680.84 : x
  2. Step 2: Convert to fraction form
    255,617.06/383,383.98 = 120,680.84/x
  3. Step 3: Cross multiply
    255,617.06x = 383,383.98 × 120,680.84
  4. Step 4: Simplify right side
    255,617.06x = 46,267,098,832.02
  5. Step 5: Solve for x
    x = 46,267,098,832.02/255,617.06
  6. Step 6: Final answer
    x = 181,001.61

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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.