Finding the Fourth Proportional to 114,888.54, 158,568.94 and 74,545.68
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Solution
The fourth proportional to 114,888.54, 158,568.94 and 74,545.68 is: 102,887.80
Step by Step Solution
- Step 1: Write the proportion equation
114,888.54 : 158,568.94 = 74,545.68 : x - Step 2: Convert to fraction form
114,888.54/158,568.94 = 74,545.68/x - Step 3: Cross multiply
114,888.54x = 158,568.94 × 74,545.68 - Step 4: Simplify right side
114,888.54x = 11,820,629,459.18 - Step 5: Solve for x
x = 11,820,629,459.18/114,888.54 - Step 6: Final answer
x = 102,887.80
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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.