Home / 185,186.73-277,883.06-90,418.09

Finding the Fourth Proportional to 185,186.73, 277,883.06 and 90,418.09

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Solution

The fourth proportional to 185,186.73, 277,883.06 and 90,418.09 is: 135,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,186.73 : 277,883.06 = 90,418.09 : x
  2. Step 2: Convert to fraction form
    185,186.73/277,883.06 = 90,418.09/x
  3. Step 3: Cross multiply
    185,186.73x = 277,883.06 × 90,418.09
  4. Step 4: Simplify right side
    185,186.73x = 25,125,655,528.56
  5. Step 5: Solve for x
    x = 25,125,655,528.56/185,186.73
  6. Step 6: Final answer
    x = 135,677.41

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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.