Finding the Fourth Proportional to 126,460.68, 189,702.08 and 51,586.44
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Solution
The fourth proportional to 126,460.68, 189,702.08 and 51,586.44 is: 77,384.17
Step by Step Solution
- Step 1: Write the proportion equation
126,460.68 : 189,702.08 = 51,586.44 : x - Step 2: Convert to fraction form
126,460.68/189,702.08 = 51,586.44/x - Step 3: Cross multiply
126,460.68x = 189,702.08 × 51,586.44 - Step 4: Simplify right side
126,460.68x = 9,786,054,967.80 - Step 5: Solve for x
x = 9,786,054,967.80/126,460.68 - Step 6: Final answer
x = 77,384.17
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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.