Finding the Fourth Proportional to 125,857.96, 173,680.68 and 68,498.44
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Solution
The fourth proportional to 125,857.96, 173,680.68 and 68,498.44 is: 94,526.05
Step by Step Solution
- Step 1: Write the proportion equation
125,857.96 : 173,680.68 = 68,498.44 : x - Step 2: Convert to fraction form
125,857.96/173,680.68 = 68,498.44/x - Step 3: Cross multiply
125,857.96x = 173,680.68 × 68,498.44 - Step 4: Simplify right side
125,857.96x = 11,896,855,638.14 - Step 5: Solve for x
x = 11,896,855,638.14/125,857.96 - Step 6: Final answer
x = 94,526.05
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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.