Finding the Fourth Proportional to 147,083.73, 202,989.27 and 86,673.12
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Solution
The fourth proportional to 147,083.73, 202,989.27 and 86,673.12 is: 119,616.99
Step by Step Solution
- Step 1: Write the proportion equation
147,083.73 : 202,989.27 = 86,673.12 : x - Step 2: Convert to fraction form
147,083.73/202,989.27 = 86,673.12/x - Step 3: Cross multiply
147,083.73x = 202,989.27 × 86,673.12 - Step 4: Simplify right side
147,083.73x = 17,593,713,357.42 - Step 5: Solve for x
x = 17,593,713,357.42/147,083.73 - Step 6: Final answer
x = 119,616.99
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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.