Finding the Fourth Proportional to 136,494.36, 188,290.26 and 93,979.08
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Solution
The fourth proportional to 136,494.36, 188,290.26 and 93,979.08 is: 129,641.59
Step by Step Solution
- Step 1: Write the proportion equation
136,494.36 : 188,290.26 = 93,979.08 : x - Step 2: Convert to fraction form
136,494.36/188,290.26 = 93,979.08/x - Step 3: Cross multiply
136,494.36x = 188,290.26 × 93,979.08 - Step 4: Simplify right side
136,494.36x = 17,695,345,407.76 - Step 5: Solve for x
x = 17,695,345,407.76/136,494.36 - Step 6: Final answer
x = 129,641.59
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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.