Finding the Fourth Proportional to 119,208.16, 164,213.49 and 102,157.66
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Solution
The fourth proportional to 119,208.16, 164,213.49 and 102,157.66 is: 140,725.82
Step by Step Solution
- Step 1: Write the proportion equation
119,208.16 : 164,213.49 = 102,157.66 : x - Step 2: Convert to fraction form
119,208.16/164,213.49 = 102,157.66/x - Step 3: Cross multiply
119,208.16x = 164,213.49 × 102,157.66 - Step 4: Simplify right side
119,208.16x = 16,775,665,878.83 - Step 5: Solve for x
x = 16,775,665,878.83/119,208.16 - Step 6: Final answer
x = 140,725.82
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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.