Finding the Fourth Proportional to 125,444.64, 173,113.56 and 68,855.88
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Solution
The fourth proportional to 125,444.64, 173,113.56 and 68,855.88 is: 95,021.09
Step by Step Solution
- Step 1: Write the proportion equation
125,444.64 : 173,113.56 = 68,855.88 : x - Step 2: Convert to fraction form
125,444.64/173,113.56 = 68,855.88/x - Step 3: Cross multiply
125,444.64x = 173,113.56 × 68,855.88 - Step 4: Simplify right side
125,444.64x = 11,919,886,513.73 - Step 5: Solve for x
x = 11,919,886,513.73/125,444.64 - Step 6: Final answer
x = 95,021.09
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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.