Finding the Fourth Proportional to 125,501.44, 173,190.75 and 68,139.49
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Solution
The fourth proportional to 125,501.44, 173,190.75 and 68,139.49 is: 94,031.82
Step by Step Solution
- Step 1: Write the proportion equation
125,501.44 : 173,190.75 = 68,139.49 : x - Step 2: Convert to fraction form
125,501.44/173,190.75 = 68,139.49/x - Step 3: Cross multiply
125,501.44x = 173,190.75 × 68,139.49 - Step 4: Simplify right side
125,501.44x = 11,801,129,377.72 - Step 5: Solve for x
x = 11,801,129,377.72/125,501.44 - Step 6: Final answer
x = 94,031.82
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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.