Finding the Fourth Proportional to 146,689.63, 202,424.67 and 90,090.07
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Solution
The fourth proportional to 146,689.63, 202,424.67 and 90,090.07 is: 124,319.99
Step by Step Solution
- Step 1: Write the proportion equation
146,689.63 : 202,424.67 = 90,090.07 : x - Step 2: Convert to fraction form
146,689.63/202,424.67 = 90,090.07/x - Step 3: Cross multiply
146,689.63x = 202,424.67 × 90,090.07 - Step 4: Simplify right side
146,689.63x = 18,236,453,322.60 - Step 5: Solve for x
x = 18,236,453,322.60/146,689.63 - Step 6: Final answer
x = 124,319.99
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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.