Home / 255,028.91-382,379.33-121,906.22

Finding the Fourth Proportional to 255,028.91, 382,379.33 and 121,906.22

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Solution

The fourth proportional to 255,028.91, 382,379.33 and 121,906.22 is: 182,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,028.91 : 382,379.33 = 121,906.22 : x
  2. Step 2: Convert to fraction form
    255,028.91/382,379.33 = 121,906.22/x
  3. Step 3: Cross multiply
    255,028.91x = 382,379.33 × 121,906.22
  4. Step 4: Simplify right side
    255,028.91x = 46,614,417,119.30
  5. Step 5: Solve for x
    x = 46,614,417,119.30/255,028.91
  6. Step 6: Final answer
    x = 182,780.92

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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.