Finding the Fourth Proportional to 136,703.36, 187,284.63 and 131,590.79
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Solution
The fourth proportional to 136,703.36, 187,284.63 and 131,590.79 is: 180,280.37
Step by Step Solution
- Step 1: Write the proportion equation
136,703.36 : 187,284.63 = 131,590.79 : x - Step 2: Convert to fraction form
136,703.36/187,284.63 = 131,590.79/x - Step 3: Cross multiply
136,703.36x = 187,284.63 × 131,590.79 - Step 4: Simplify right side
136,703.36x = 24,644,932,675.92 - Step 5: Solve for x
x = 24,644,932,675.92/136,703.36 - Step 6: Final answer
x = 180,280.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.