Finding the Fourth Proportional to 107,998.58, 149,037.63 and 60,251.96
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Solution
The fourth proportional to 107,998.58, 149,037.63 and 60,251.96 is: 83,147.48
Step by Step Solution
- Step 1: Write the proportion equation
107,998.58 : 149,037.63 = 60,251.96 : x - Step 2: Convert to fraction form
107,998.58/149,037.63 = 60,251.96/x - Step 3: Cross multiply
107,998.58x = 149,037.63 × 60,251.96 - Step 4: Simplify right side
107,998.58x = 8,979,809,321.25 - Step 5: Solve for x
x = 8,979,809,321.25/107,998.58 - Step 6: Final answer
x = 83,147.48
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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.