Home / 185,105.21-277,622.66-90,239.97

Finding the Fourth Proportional to 185,105.21, 277,622.66 and 90,239.97

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Solution

The fourth proportional to 185,105.21, 277,622.66 and 90,239.97 is: 135,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,105.21 : 277,622.66 = 90,239.97 : x
  2. Step 2: Convert to fraction form
    185,105.21/277,622.66 = 90,239.97/x
  3. Step 3: Cross multiply
    185,105.21x = 277,622.66 × 90,239.97
  4. Step 4: Simplify right side
    185,105.21x = 25,052,660,058.52
  5. Step 5: Solve for x
    x = 25,052,660,058.52/185,105.21
  6. Step 6: Final answer
    x = 135,342.82

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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.