Finding the Fourth Proportional to 126,064.14, 173,964.11 and 68,702.31
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Solution
The fourth proportional to 126,064.14, 173,964.11 and 68,702.31 is: 94,806.79
Step by Step Solution
- Step 1: Write the proportion equation
126,064.14 : 173,964.11 = 68,702.31 : x - Step 2: Convert to fraction form
126,064.14/173,964.11 = 68,702.31/x - Step 3: Cross multiply
126,064.14x = 173,964.11 × 68,702.31 - Step 4: Simplify right side
126,064.14x = 11,951,735,870.58 - Step 5: Solve for x
x = 11,951,735,870.58/126,064.14 - Step 6: Final answer
x = 94,806.79
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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.