Finding the Fourth Proportional to 161,853.43, 223,353.33 and 93,866.08
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Solution
The fourth proportional to 161,853.43, 223,353.33 and 93,866.08 is: 129,532.64
Step by Step Solution
- Step 1: Write the proportion equation
161,853.43 : 223,353.33 = 93,866.08 : x - Step 2: Convert to fraction form
161,853.43/223,353.33 = 93,866.08/x - Step 3: Cross multiply
161,853.43x = 223,353.33 × 93,866.08 - Step 4: Simplify right side
161,853.43x = 20,965,301,542.05 - Step 5: Solve for x
x = 20,965,301,542.05/161,853.43 - Step 6: Final answer
x = 129,532.64
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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.