Home / 272,923.20-409,530.60-123,186.60

Finding the Fourth Proportional to 272,923.20, 409,530.60 and 123,186.60

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Solution

The fourth proportional to 272,923.20, 409,530.60 and 123,186.60 is: 184,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,923.20 : 409,530.60 = 123,186.60 : x
  2. Step 2: Convert to fraction form
    272,923.20/409,530.60 = 123,186.60/x
  3. Step 3: Cross multiply
    272,923.20x = 409,530.60 × 123,186.60
  4. Step 4: Simplify right side
    272,923.20x = 50,448,682,209.96
  5. Step 5: Solve for x
    x = 50,448,682,209.96/272,923.20
  6. Step 6: Final answer
    x = 184,845.71

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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.