Finding the Fourth Proportional to 136,124.60, 203,798.10 and 122,127.80
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Solution
The fourth proportional to 136,124.60, 203,798.10 and 122,127.80 is: 182,842.88
Step by Step Solution
- Step 1: Write the proportion equation
136,124.60 : 203,798.10 = 122,127.80 : x - Step 2: Convert to fraction form
136,124.60/203,798.10 = 122,127.80/x - Step 3: Cross multiply
136,124.60x = 203,798.10 × 122,127.80 - Step 4: Simplify right side
136,124.60x = 24,889,413,597.18 - Step 5: Solve for x
x = 24,889,413,597.18/136,124.60 - Step 6: Final answer
x = 182,842.88
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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.