Finding the Fourth Proportional to 181,688.67, 272,675.84 and 125,920.85
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Solution
The fourth proportional to 181,688.67, 272,675.84 and 125,920.85 is: 188,980.28
Step by Step Solution
- Step 1: Write the proportion equation
181,688.67 : 272,675.84 = 125,920.85 : x - Step 2: Convert to fraction form
181,688.67/272,675.84 = 125,920.85/x - Step 3: Cross multiply
181,688.67x = 272,675.84 × 125,920.85 - Step 4: Simplify right side
181,688.67x = 34,335,574,917.44 - Step 5: Solve for x
x = 34,335,574,917.44/181,688.67 - Step 6: Final answer
x = 188,980.28
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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.