Finding the Fourth Proportional to 125,473.18, 173,153.12 and 68,112.47
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Solution
The fourth proportional to 125,473.18, 173,153.12 and 68,112.47 is: 93,995.28
Step by Step Solution
- Step 1: Write the proportion equation
125,473.18 : 173,153.12 = 68,112.47 : x - Step 2: Convert to fraction form
125,473.18/173,153.12 = 68,112.47/x - Step 3: Cross multiply
125,473.18x = 173,153.12 × 68,112.47 - Step 4: Simplify right side
125,473.18x = 11,793,886,691.41 - Step 5: Solve for x
x = 11,793,886,691.41/125,473.18 - Step 6: Final answer
x = 93,995.28
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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.