Finding the Fourth Proportional to 129,827.62, 179,170.41 and 73,218.34
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Solution
The fourth proportional to 129,827.62, 179,170.41 and 73,218.34 is: 101,045.99
Step by Step Solution
- Step 1: Write the proportion equation
129,827.62 : 179,170.41 = 73,218.34 : x - Step 2: Convert to fraction form
129,827.62/179,170.41 = 73,218.34/x - Step 3: Cross multiply
129,827.62x = 179,170.41 × 73,218.34 - Step 4: Simplify right side
129,827.62x = 13,118,559,997.32 - Step 5: Solve for x
x = 13,118,559,997.32/129,827.62 - Step 6: Final answer
x = 101,045.99
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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.