Finding the Fourth Proportional to 139,587.74, 209,302.04 and 95,268.14
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Solution
The fourth proportional to 139,587.74, 209,302.04 and 95,268.14 is: 142,847.90
Step by Step Solution
- Step 1: Write the proportion equation
139,587.74 : 209,302.04 = 95,268.14 : x - Step 2: Convert to fraction form
139,587.74/209,302.04 = 95,268.14/x - Step 3: Cross multiply
139,587.74x = 209,302.04 × 95,268.14 - Step 4: Simplify right side
139,587.74x = 19,939,816,049.01 - Step 5: Solve for x
x = 19,939,816,049.01/139,587.74 - Step 6: Final answer
x = 142,847.90
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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.