Finding the Fourth Proportional to 135,029.86, 202,671.92 and 68,517.72
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Solution
The fourth proportional to 135,029.86, 202,671.92 and 68,517.72 is: 102,841.09
Step by Step Solution
- Step 1: Write the proportion equation
135,029.86 : 202,671.92 = 68,517.72 : x - Step 2: Convert to fraction form
135,029.86/202,671.92 = 68,517.72/x - Step 3: Cross multiply
135,029.86x = 202,671.92 × 68,517.72 - Step 4: Simplify right side
135,029.86x = 13,886,618,037.72 - Step 5: Solve for x
x = 13,886,618,037.72/135,029.86 - Step 6: Final answer
x = 102,841.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.