Finding the Fourth Proportional to 146,669.07, 202,403.39 and 79,601.07
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Solution
The fourth proportional to 146,669.07, 202,403.39 and 79,601.07 is: 109,849.52
Step by Step Solution
- Step 1: Write the proportion equation
146,669.07 : 202,403.39 = 79,601.07 : x - Step 2: Convert to fraction form
146,669.07/202,403.39 = 79,601.07/x - Step 3: Cross multiply
146,669.07x = 202,403.39 × 79,601.07 - Step 4: Simplify right side
146,669.07x = 16,111,526,415.63 - Step 5: Solve for x
x = 16,111,526,415.63/146,669.07 - Step 6: Final answer
x = 109,849.52
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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.