Finding the Fourth Proportional to 161,764.52, 223,235.91 and 93,821.75
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Solution
The fourth proportional to 161,764.52, 223,235.91 and 93,821.75 is: 129,474.52
Step by Step Solution
- Step 1: Write the proportion equation
161,764.52 : 223,235.91 = 93,821.75 : x - Step 2: Convert to fraction form
161,764.52/223,235.91 = 93,821.75/x - Step 3: Cross multiply
161,764.52x = 223,235.91 × 93,821.75 - Step 4: Simplify right side
161,764.52x = 20,944,383,739.04 - Step 5: Solve for x
x = 20,944,383,739.04/161,764.52 - Step 6: Final answer
x = 129,474.52
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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.