Home / 123,469.20-184,944.60-68,000.40

Finding the Fourth Proportional to 123,469.20, 184,944.60 and 68,000.40

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Solution

The fourth proportional to 123,469.20, 184,944.60 and 68,000.40 is: 101,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,469.20 : 184,944.60 = 68,000.40 : x
  2. Step 2: Convert to fraction form
    123,469.20/184,944.60 = 68,000.40/x
  3. Step 3: Cross multiply
    123,469.20x = 184,944.60 × 68,000.40
  4. Step 4: Simplify right side
    123,469.20x = 12,576,306,777.84
  5. Step 5: Solve for x
    x = 12,576,306,777.84/123,469.20
  6. Step 6: Final answer
    x = 101,857.85

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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.