Finding the Fourth Proportional to 169,755.37, 234,158.61 and 100,798.09
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Solution
The fourth proportional to 169,755.37, 234,158.61 and 100,798.09 is: 139,039.73
Step by Step Solution
- Step 1: Write the proportion equation
169,755.37 : 234,158.61 = 100,798.09 : x - Step 2: Convert to fraction form
169,755.37/234,158.61 = 100,798.09/x - Step 3: Cross multiply
169,755.37x = 234,158.61 × 100,798.09 - Step 4: Simplify right side
169,755.37x = 23,602,740,645.05 - Step 5: Solve for x
x = 23,602,740,645.05/169,755.37 - Step 6: Final answer
x = 139,039.73
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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.