Finding the Fourth Proportional to 125,694.96, 173,462.47 and 68,338.14
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Solution
The fourth proportional to 125,694.96, 173,462.47 and 68,338.14 is: 94,308.50
Step by Step Solution
- Step 1: Write the proportion equation
125,694.96 : 173,462.47 = 68,338.14 : x - Step 2: Convert to fraction form
125,694.96/173,462.47 = 68,338.14/x - Step 3: Cross multiply
125,694.96x = 173,462.47 × 68,338.14 - Step 4: Simplify right side
125,694.96x = 11,854,102,559.61 - Step 5: Solve for x
x = 11,854,102,559.61/125,694.96 - Step 6: Final answer
x = 94,308.50
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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.