Home / 90,183.73-124,457.22-49,896.84

Finding the Fourth Proportional to 90,183.73, 124,457.22 and 49,896.84

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Solution

The fourth proportional to 90,183.73, 124,457.22 and 49,896.84 is: 68,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.73 : 124,457.22 = 49,896.84 : x
  2. Step 2: Convert to fraction form
    90,183.73/124,457.22 = 49,896.84/x
  3. Step 3: Cross multiply
    90,183.73x = 124,457.22 × 49,896.84
  4. Step 4: Simplify right side
    90,183.73x = 6,210,021,743.70
  5. Step 5: Solve for x
    x = 6,210,021,743.70/90,183.73
  6. Step 6: Final answer
    x = 68,859.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.