Finding the Fourth Proportional to 126,059.64, 173,962.35 and 68,698.98
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Solution
The fourth proportional to 126,059.64, 173,962.35 and 68,698.98 is: 94,804.62
Step by Step Solution
- Step 1: Write the proportion equation
126,059.64 : 173,962.35 = 68,698.98 : x - Step 2: Convert to fraction form
126,059.64/173,962.35 = 68,698.98/x - Step 3: Cross multiply
126,059.64x = 173,962.35 × 68,698.98 - Step 4: Simplify right side
126,059.64x = 11,951,036,003.40 - Step 5: Solve for x
x = 11,951,036,003.40/126,059.64 - Step 6: Final answer
x = 94,804.62
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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.