Home / 142,738.36-196,999.90-82,297.17

Finding the Fourth Proportional to 142,738.36, 196,999.90 and 82,297.17

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Solution

The fourth proportional to 142,738.36, 196,999.90 and 82,297.17 is: 113,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,738.36 : 196,999.90 = 82,297.17 : x
  2. Step 2: Convert to fraction form
    142,738.36/196,999.90 = 82,297.17/x
  3. Step 3: Cross multiply
    142,738.36x = 196,999.90 × 82,297.17
  4. Step 4: Simplify right side
    142,738.36x = 16,212,534,054.54
  5. Step 5: Solve for x
    x = 16,212,534,054.54/142,738.36
  6. Step 6: Final answer
    x = 113,582.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.