Home / 72,183.15-108,247.74-24,784.78

Finding the Fourth Proportional to 72,183.15, 108,247.74 and 24,784.78

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Solution

The fourth proportional to 72,183.15, 108,247.74 and 24,784.78 is: 37,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183.15 : 108,247.74 = 24,784.78 : x
  2. Step 2: Convert to fraction form
    72,183.15/108,247.74 = 24,784.78/x
  3. Step 3: Cross multiply
    72,183.15x = 108,247.74 × 24,784.78
  4. Step 4: Simplify right side
    72,183.15x = 2,682,896,421.40
  5. Step 5: Solve for x
    x = 2,682,896,421.40/72,183.15
  6. Step 6: Final answer
    x = 37,167.90

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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.