Finding the Fourth Proportional to 103,177.08, 154,765.62 and 82,531.80
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Solution
The fourth proportional to 103,177.08, 154,765.62 and 82,531.80 is: 123,797.70
Step by Step Solution
- Step 1: Write the proportion equation
103,177.08 : 154,765.62 = 82,531.80 : x - Step 2: Convert to fraction form
103,177.08/154,765.62 = 82,531.80/x - Step 3: Cross multiply
103,177.08x = 154,765.62 × 82,531.80 - Step 4: Simplify right side
103,177.08x = 12,773,085,196.72 - Step 5: Solve for x
x = 12,773,085,196.72/103,177.08 - Step 6: Final answer
x = 123,797.70
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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.