Home / 238,192.09-356,821.05-138,142.16

Finding the Fourth Proportional to 238,192.09, 356,821.05 and 138,142.16

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Solution

The fourth proportional to 238,192.09, 356,821.05 and 138,142.16 is: 206,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,192.09 : 356,821.05 = 138,142.16 : x
  2. Step 2: Convert to fraction form
    238,192.09/356,821.05 = 138,142.16/x
  3. Step 3: Cross multiply
    238,192.09x = 356,821.05 × 138,142.16
  4. Step 4: Simplify right side
    238,192.09x = 49,292,029,875.43
  5. Step 5: Solve for x
    x = 49,292,029,875.43/238,192.09
  6. Step 6: Final answer
    x = 206,942.34

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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.