Finding the Fourth Proportional to 126,056.36, 173,955.50 and 68,696.18
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Solution
The fourth proportional to 126,056.36, 173,955.50 and 68,696.18 is: 94,799.49
Step by Step Solution
- Step 1: Write the proportion equation
126,056.36 : 173,955.50 = 68,696.18 : x - Step 2: Convert to fraction form
126,056.36/173,955.50 = 68,696.18/x - Step 3: Cross multiply
126,056.36x = 173,955.50 × 68,696.18 - Step 4: Simplify right side
126,056.36x = 11,950,078,339.99 - Step 5: Solve for x
x = 11,950,078,339.99/126,056.36 - Step 6: Final answer
x = 94,799.49
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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.