Finding the Fourth Proportional to 147,243.68, 202,953.66 and 104,167.52
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Solution
The fourth proportional to 147,243.68, 202,953.66 and 104,167.52 is: 143,579.54
Step by Step Solution
- Step 1: Write the proportion equation
147,243.68 : 202,953.66 = 104,167.52 : x - Step 2: Convert to fraction form
147,243.68/202,953.66 = 104,167.52/x - Step 3: Cross multiply
147,243.68x = 202,953.66 × 104,167.52 - Step 4: Simplify right side
147,243.68x = 21,141,179,437.12 - Step 5: Solve for x
x = 21,141,179,437.12/147,243.68 - Step 6: Final answer
x = 143,579.54
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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.