Finding the Fourth Proportional to 146,502.13, 202,172.93 and 79,434.13
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Solution
The fourth proportional to 146,502.13, 202,172.93 and 79,434.13 is: 109,619.09
Step by Step Solution
- Step 1: Write the proportion equation
146,502.13 : 202,172.93 = 79,434.13 : x - Step 2: Convert to fraction form
146,502.13/202,172.93 = 79,434.13/x - Step 3: Cross multiply
146,502.13x = 202,172.93 × 79,434.13 - Step 4: Simplify right side
146,502.13x = 16,059,430,804.10 - Step 5: Solve for x
x = 16,059,430,804.10/146,502.13 - Step 6: Final answer
x = 109,619.09
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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.