Finding the Fourth Proportional to 136,176.07, 187,922.97 and 76,560.07
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Solution
The fourth proportional to 136,176.07, 187,922.97 and 76,560.07 is: 105,652.89
Step by Step Solution
- Step 1: Write the proportion equation
136,176.07 : 187,922.97 = 76,560.07 : x - Step 2: Convert to fraction form
136,176.07/187,922.97 = 76,560.07/x - Step 3: Cross multiply
136,176.07x = 187,922.97 × 76,560.07 - Step 4: Simplify right side
136,176.07x = 14,387,394,415.39 - Step 5: Solve for x
x = 14,387,394,415.39/136,176.07 - Step 6: Final answer
x = 105,652.89
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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.