Finding the Fourth Proportional to 122,690.73, 169,300.26 and 68,234.07
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Solution
The fourth proportional to 122,690.73, 169,300.26 and 68,234.07 is: 94,155.82
Step by Step Solution
- Step 1: Write the proportion equation
122,690.73 : 169,300.26 = 68,234.07 : x - Step 2: Convert to fraction form
122,690.73/169,300.26 = 68,234.07/x - Step 3: Cross multiply
122,690.73x = 169,300.26 × 68,234.07 - Step 4: Simplify right side
122,690.73x = 11,552,045,791.86 - Step 5: Solve for x
x = 11,552,045,791.86/122,690.73 - Step 6: Final answer
x = 94,155.82
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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.