Home / 185,388.38-277,982.48-84,131.19

Finding the Fourth Proportional to 185,388.38, 277,982.48 and 84,131.19

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Solution

The fourth proportional to 185,388.38, 277,982.48 and 84,131.19 is: 126,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,388.38 : 277,982.48 = 84,131.19 : x
  2. Step 2: Convert to fraction form
    185,388.38/277,982.48 = 84,131.19/x
  3. Step 3: Cross multiply
    185,388.38x = 277,982.48 × 84,131.19
  4. Step 4: Simplify right side
    185,388.38x = 23,386,997,051.88
  5. Step 5: Solve for x
    x = 23,386,997,051.88/185,388.38
  6. Step 6: Final answer
    x = 126,151.37

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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.