Finding the Fourth Proportional to 169,518.87, 233,939.01 and 93,045.12
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Solution
The fourth proportional to 169,518.87, 233,939.01 and 93,045.12 is: 128,403.90
Step by Step Solution
- Step 1: Write the proportion equation
169,518.87 : 233,939.01 = 93,045.12 : x - Step 2: Convert to fraction form
169,518.87/233,939.01 = 93,045.12/x - Step 3: Cross multiply
169,518.87x = 233,939.01 × 93,045.12 - Step 4: Simplify right side
169,518.87x = 21,766,883,258.13 - Step 5: Solve for x
x = 21,766,883,258.13/169,518.87 - Step 6: Final answer
x = 128,403.90
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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.