Finding the Fourth Proportional to 146,645.29, 202,370.49 and 79,577.29
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Solution
The fourth proportional to 146,645.29, 202,370.49 and 79,577.29 is: 109,816.65
Step by Step Solution
- Step 1: Write the proportion equation
146,645.29 : 202,370.49 = 79,577.29 : x - Step 2: Convert to fraction form
146,645.29/202,370.49 = 79,577.29/x - Step 3: Cross multiply
146,645.29x = 202,370.49 × 79,577.29 - Step 4: Simplify right side
146,645.29x = 16,104,094,158.32 - Step 5: Solve for x
x = 16,104,094,158.32/146,645.29 - Step 6: Final answer
x = 109,816.65
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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.