Finding the Fourth Proportional to 126,057.64, 173,959.58 and 68,696.98
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Solution
The fourth proportional to 126,057.64, 173,959.58 and 68,696.98 is: 94,801.85
Step by Step Solution
- Step 1: Write the proportion equation
126,057.64 : 173,959.58 = 68,696.98 : x - Step 2: Convert to fraction form
126,057.64/173,959.58 = 68,696.98/x - Step 3: Cross multiply
126,057.64x = 173,959.58 × 68,696.98 - Step 4: Simplify right side
126,057.64x = 11,950,497,788.07 - Step 5: Solve for x
x = 11,950,497,788.07/126,057.64 - Step 6: Final answer
x = 94,801.85
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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.