Finding the Fourth Proportional to 122,092.74, 168,479.96 and 68,365.44
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Solution
The fourth proportional to 122,092.74, 168,479.96 and 68,365.44 is: 94,339.82
Step by Step Solution
- Step 1: Write the proportion equation
122,092.74 : 168,479.96 = 68,365.44 : x - Step 2: Convert to fraction form
122,092.74/168,479.96 = 68,365.44/x - Step 3: Cross multiply
122,092.74x = 168,479.96 × 68,365.44 - Step 4: Simplify right side
122,092.74x = 11,518,206,596.58 - Step 5: Solve for x
x = 11,518,206,596.58/122,092.74 - Step 6: Final answer
x = 94,339.82
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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.