Finding the Fourth Proportional to 170,693.07, 235,446.79 and 103,625.07
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Solution
The fourth proportional to 170,693.07, 235,446.79 and 103,625.07 is: 142,936.03
Step by Step Solution
- Step 1: Write the proportion equation
170,693.07 : 235,446.79 = 103,625.07 : x - Step 2: Convert to fraction form
170,693.07/235,446.79 = 103,625.07/x - Step 3: Cross multiply
170,693.07x = 235,446.79 × 103,625.07 - Step 4: Simplify right side
170,693.07x = 24,398,190,095.03 - Step 5: Solve for x
x = 24,398,190,095.03/170,693.07 - Step 6: Final answer
x = 142,936.03
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1.5x scale
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.