Finding the Fourth Proportional to 107,990.16, 149,037.96 and 60,260.08
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Solution
The fourth proportional to 107,990.16, 149,037.96 and 60,260.08 is: 83,165.35
Step by Step Solution
- Step 1: Write the proportion equation
107,990.16 : 149,037.96 = 60,260.08 : x - Step 2: Convert to fraction form
107,990.16/149,037.96 = 60,260.08/x - Step 3: Cross multiply
107,990.16x = 149,037.96 × 60,260.08 - Step 4: Simplify right side
107,990.16x = 8,981,039,392.64 - Step 5: Solve for x
x = 8,981,039,392.64/107,990.16 - Step 6: Final answer
x = 83,165.35
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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.