Finding the Fourth Proportional to 136,089.24, 187,759.80 and 82,357.08
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Solution
The fourth proportional to 136,089.24, 187,759.80 and 82,357.08 is: 113,626.54
Step by Step Solution
- Step 1: Write the proportion equation
136,089.24 : 187,759.80 = 82,357.08 : x - Step 2: Convert to fraction form
136,089.24/187,759.80 = 82,357.08/x - Step 3: Cross multiply
136,089.24x = 187,759.80 × 82,357.08 - Step 4: Simplify right side
136,089.24x = 15,463,348,869.38 - Step 5: Solve for x
x = 15,463,348,869.38/136,089.24 - Step 6: Final answer
x = 113,626.54
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1.5x scale
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.