Home / 128,467.67-192,714.45-44,216.73

Finding the Fourth Proportional to 128,467.67, 192,714.45 and 44,216.73

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Solution

The fourth proportional to 128,467.67, 192,714.45 and 44,216.73 is: 66,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,467.67 : 192,714.45 = 44,216.73 : x
  2. Step 2: Convert to fraction form
    128,467.67/192,714.45 = 44,216.73/x
  3. Step 3: Cross multiply
    128,467.67x = 192,714.45 × 44,216.73
  4. Step 4: Simplify right side
    128,467.67x = 8,521,202,802.75
  5. Step 5: Solve for x
    x = 8,521,202,802.75/128,467.67
  6. Step 6: Final answer
    x = 66,329.55

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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.