Finding the Fourth Proportional to 99,150.96, 136,829.97 and 53,828.94
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Solution
The fourth proportional to 99,150.96, 136,829.97 and 53,828.94 is: 74,284.83
Step by Step Solution
- Step 1: Write the proportion equation
99,150.96 : 136,829.97 = 53,828.94 : x - Step 2: Convert to fraction form
99,150.96/136,829.97 = 53,828.94/x - Step 3: Cross multiply
99,150.96x = 136,829.97 × 53,828.94 - Step 4: Simplify right side
99,150.96x = 7,365,412,245.33 - Step 5: Solve for x
x = 7,365,412,245.33/99,150.96 - Step 6: Final answer
x = 74,284.83
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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.