Home / 128,199.85-192,299.92-33,429.95

Finding the Fourth Proportional to 128,199.85, 192,299.92 and 33,429.95

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Solution

The fourth proportional to 128,199.85, 192,299.92 and 33,429.95 is: 50,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,199.85 : 192,299.92 = 33,429.95 : x
  2. Step 2: Convert to fraction form
    128,199.85/192,299.92 = 33,429.95/x
  3. Step 3: Cross multiply
    128,199.85x = 192,299.92 × 33,429.95
  4. Step 4: Simplify right side
    128,199.85x = 6,428,575,581.95
  5. Step 5: Solve for x
    x = 6,428,575,581.95/128,199.85
  6. Step 6: Final answer
    x = 50,144.96

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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.