Home / 122,137.12-183,183.72-43,251.76

Finding the Fourth Proportional to 122,137.12, 183,183.72 and 43,251.76

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Solution

The fourth proportional to 122,137.12, 183,183.72 and 43,251.76 is: 64,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,137.12 : 183,183.72 = 43,251.76 : x
  2. Step 2: Convert to fraction form
    122,137.12/183,183.72 = 43,251.76/x
  3. Step 3: Cross multiply
    122,137.12x = 183,183.72 × 43,251.76
  4. Step 4: Simplify right side
    122,137.12x = 7,923,018,293.35
  5. Step 5: Solve for x
    x = 7,923,018,293.35/122,137.12
  6. Step 6: Final answer
    x = 64,869.86

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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.