Finding the Fourth Proportional to 137,083.49, 188,754.65 and 119,992.08
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Solution
The fourth proportional to 137,083.49, 188,754.65 and 119,992.08 is: 165,220.95
Step by Step Solution
- Step 1: Write the proportion equation
137,083.49 : 188,754.65 = 119,992.08 : x - Step 2: Convert to fraction form
137,083.49/188,754.65 = 119,992.08/x - Step 3: Cross multiply
137,083.49x = 188,754.65 × 119,992.08 - Step 4: Simplify right side
137,083.49x = 22,649,064,295.97 - Step 5: Solve for x
x = 22,649,064,295.97/137,083.49 - Step 6: Final answer
x = 165,220.95
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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.