Finding the Fourth Proportional to 126,162.21, 174,101.65 and 68,801.97
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Solution
The fourth proportional to 126,162.21, 174,101.65 and 68,801.97 is: 94,945.53
Step by Step Solution
- Step 1: Write the proportion equation
126,162.21 : 174,101.65 = 68,801.97 : x - Step 2: Convert to fraction form
126,162.21/174,101.65 = 68,801.97/x - Step 3: Cross multiply
126,162.21x = 174,101.65 × 68,801.97 - Step 4: Simplify right side
126,162.21x = 11,978,537,368.14 - Step 5: Solve for x
x = 11,978,537,368.14/126,162.21 - Step 6: Final answer
x = 94,945.53
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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.