Finding the Fourth Proportional to 137,270.08, 188,860.98 and 121,066.84
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Solution
The fourth proportional to 137,270.08, 188,860.98 and 121,066.84 is: 166,568.00
Step by Step Solution
- Step 1: Write the proportion equation
137,270.08 : 188,860.98 = 121,066.84 : x - Step 2: Convert to fraction form
137,270.08/188,860.98 = 121,066.84/x - Step 3: Cross multiply
137,270.08x = 188,860.98 × 121,066.84 - Step 4: Simplify right side
137,270.08x = 22,864,802,047.90 - Step 5: Solve for x
x = 22,864,802,047.90/137,270.08 - Step 6: Final answer
x = 166,568.00
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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.