Finding the Fourth Proportional to 122,596.79, 169,178.87 and 68,884.07
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Solution
The fourth proportional to 122,596.79, 169,178.87 and 68,884.07 is: 95,057.37
Step by Step Solution
- Step 1: Write the proportion equation
122,596.79 : 169,178.87 = 68,884.07 : x - Step 2: Convert to fraction form
122,596.79/169,178.87 = 68,884.07/x - Step 3: Cross multiply
122,596.79x = 169,178.87 × 68,884.07 - Step 4: Simplify right side
122,596.79x = 11,653,727,933.29 - Step 5: Solve for x
x = 11,653,727,933.29/122,596.79 - Step 6: Final answer
x = 95,057.37
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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.