Finding the Fourth Proportional to 133,083.80, 199,625.70 and 119,961.80
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Solution
The fourth proportional to 133,083.80, 199,625.70 and 119,961.80 is: 179,942.70
Step by Step Solution
- Step 1: Write the proportion equation
133,083.80 : 199,625.70 = 119,961.80 : x - Step 2: Convert to fraction form
133,083.80/199,625.70 = 119,961.80/x - Step 3: Cross multiply
133,083.80x = 199,625.70 × 119,961.80 - Step 4: Simplify right side
133,083.80x = 23,947,458,298.26 - Step 5: Solve for x
x = 23,947,458,298.26/133,083.80 - Step 6: Final answer
x = 179,942.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.