Home / 185,128.08-277,469.60-85,150.56

Finding the Fourth Proportional to 185,128.08, 277,469.60 and 85,150.56

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Solution

The fourth proportional to 185,128.08, 277,469.60 and 85,150.56 is: 127,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,128.08 : 277,469.60 = 85,150.56 : x
  2. Step 2: Convert to fraction form
    185,128.08/277,469.60 = 85,150.56/x
  3. Step 3: Cross multiply
    185,128.08x = 277,469.60 × 85,150.56
  4. Step 4: Simplify right side
    185,128.08x = 23,626,691,822.98
  5. Step 5: Solve for x
    x = 23,626,691,822.98/185,128.08
  6. Step 6: Final answer
    x = 127,623.49

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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.