Finding the Fourth Proportional to 124,042.18, 171,185.69 and 73,088.88
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Solution
The fourth proportional to 124,042.18, 171,185.69 and 73,088.88 is: 100,867.06
Step by Step Solution
- Step 1: Write the proportion equation
124,042.18 : 171,185.69 = 73,088.88 : x - Step 2: Convert to fraction form
124,042.18/171,185.69 = 73,088.88/x - Step 3: Cross multiply
124,042.18x = 171,185.69 × 73,088.88 - Step 4: Simplify right side
124,042.18x = 12,511,770,354.13 - Step 5: Solve for x
x = 12,511,770,354.13/124,042.18 - Step 6: Final answer
x = 100,867.06
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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.