Finding the Fourth Proportional to 117,207.37, 161,713.35 and 73,604.62
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Solution
The fourth proportional to 117,207.37, 161,713.35 and 73,604.62 is: 101,553.76
Step by Step Solution
- Step 1: Write the proportion equation
117,207.37 : 161,713.35 = 73,604.62 : x - Step 2: Convert to fraction form
117,207.37/161,713.35 = 73,604.62/x - Step 3: Cross multiply
117,207.37x = 161,713.35 × 73,604.62 - Step 4: Simplify right side
117,207.37x = 11,902,849,675.68 - Step 5: Solve for x
x = 11,902,849,675.68/117,207.37 - Step 6: Final answer
x = 101,553.76
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1.5x scale
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.