Home / 128,626.20-192,885.03-48,650.58

Finding the Fourth Proportional to 128,626.20, 192,885.03 and 48,650.58

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Solution

The fourth proportional to 128,626.20, 192,885.03 and 48,650.58 is: 72,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,626.20 : 192,885.03 = 48,650.58 : x
  2. Step 2: Convert to fraction form
    128,626.20/192,885.03 = 48,650.58/x
  3. Step 3: Cross multiply
    128,626.20x = 192,885.03 × 48,650.58
  4. Step 4: Simplify right side
    128,626.20x = 9,383,968,582.82
  5. Step 5: Solve for x
    x = 9,383,968,582.82/128,626.20
  6. Step 6: Final answer
    x = 72,955.34

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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.