Finding the Fourth Proportional to 161,753.68, 223,220.97 and 93,810.94
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Solution
The fourth proportional to 161,753.68, 223,220.97 and 93,810.94 is: 129,459.62
Step by Step Solution
- Step 1: Write the proportion equation
161,753.68 : 223,220.97 = 93,810.94 : x - Step 2: Convert to fraction form
161,753.68/223,220.97 = 93,810.94/x - Step 3: Cross multiply
161,753.68x = 223,220.97 × 93,810.94 - Step 4: Simplify right side
161,753.68x = 20,940,569,720.98 - Step 5: Solve for x
x = 20,940,569,720.98/161,753.68 - Step 6: Final answer
x = 129,459.62
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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.