Finding the Fourth Proportional to 125,690.82, 173,460.34 and 69,113.94
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Solution
The fourth proportional to 125,690.82, 173,460.34 and 69,113.94 is: 95,381.09
Step by Step Solution
- Step 1: Write the proportion equation
125,690.82 : 173,460.34 = 69,113.94 : x - Step 2: Convert to fraction form
125,690.82/173,460.34 = 69,113.94/x - Step 3: Cross multiply
125,690.82x = 173,460.34 × 69,113.94 - Step 4: Simplify right side
125,690.82x = 11,988,527,531.14 - Step 5: Solve for x
x = 11,988,527,531.14/125,690.82 - Step 6: Final answer
x = 95,381.09
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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.