Finding the Fourth Proportional to 125,508.12, 173,199.01 and 68,919.09
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Solution
The fourth proportional to 125,508.12, 173,199.01 and 68,919.09 is: 95,107.14
Step by Step Solution
- Step 1: Write the proportion equation
125,508.12 : 173,199.01 = 68,919.09 : x - Step 2: Convert to fraction form
125,508.12/173,199.01 = 68,919.09/x - Step 3: Cross multiply
125,508.12x = 173,199.01 × 68,919.09 - Step 4: Simplify right side
125,508.12x = 11,936,718,158.10 - Step 5: Solve for x
x = 11,936,718,158.10/125,508.12 - Step 6: Final answer
x = 95,107.14
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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.