Finding the Fourth Proportional to 168,205.40, 232,124.10 and 92,753.36
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Solution
The fourth proportional to 168,205.40, 232,124.10 and 92,753.36 is: 127,999.99
Step by Step Solution
- Step 1: Write the proportion equation
168,205.40 : 232,124.10 = 92,753.36 : x - Step 2: Convert to fraction form
168,205.40/232,124.10 = 92,753.36/x - Step 3: Cross multiply
168,205.40x = 232,124.10 × 92,753.36 - Step 4: Simplify right side
168,205.40x = 21,530,290,211.98 - Step 5: Solve for x
x = 21,530,290,211.98/168,205.40 - Step 6: Final answer
x = 127,999.99
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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.