Finding the Fourth Proportional to 125,712.40, 173,481.68 and 93,590.64
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Solution
The fourth proportional to 125,712.40, 173,481.68 and 93,590.64 is: 129,154.02
Step by Step Solution
- Step 1: Write the proportion equation
125,712.40 : 173,481.68 = 93,590.64 : x - Step 2: Convert to fraction form
125,712.40/173,481.68 = 93,590.64/x - Step 3: Cross multiply
125,712.40x = 173,481.68 × 93,590.64 - Step 4: Simplify right side
125,712.40x = 16,236,261,459.48 - Step 5: Solve for x
x = 16,236,261,459.48/125,712.40 - Step 6: Final answer
x = 129,154.02
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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.