Home / 122,863.10-184,338.99-42,912.86

Finding the Fourth Proportional to 122,863.10, 184,338.99 and 42,912.86

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Solution

The fourth proportional to 122,863.10, 184,338.99 and 42,912.86 is: 64,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,863.10 : 184,338.99 = 42,912.86 : x
  2. Step 2: Convert to fraction form
    122,863.10/184,338.99 = 42,912.86/x
  3. Step 3: Cross multiply
    122,863.10x = 184,338.99 × 42,912.86
  4. Step 4: Simplify right side
    122,863.10x = 7,910,512,348.72
  5. Step 5: Solve for x
    x = 7,910,512,348.72/122,863.10
  6. Step 6: Final answer
    x = 64,384.77

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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.