Home / 128,042.09-192,083.84-48,086.27

Finding the Fourth Proportional to 128,042.09, 192,083.84 and 48,086.27

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Solution

The fourth proportional to 128,042.09, 192,083.84 and 48,086.27 is: 72,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,042.09 : 192,083.84 = 48,086.27 : x
  2. Step 2: Convert to fraction form
    128,042.09/192,083.84 = 48,086.27/x
  3. Step 3: Cross multiply
    128,042.09x = 192,083.84 × 48,086.27
  4. Step 4: Simplify right side
    128,042.09x = 9,236,595,392.88
  5. Step 5: Solve for x
    x = 9,236,595,392.88/128,042.09
  6. Step 6: Final answer
    x = 72,137.18

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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.