Finding the Fourth Proportional to 125,681.74, 173,444.12 and 68,324.92
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Solution
The fourth proportional to 125,681.74, 173,444.12 and 68,324.92 is: 94,290.19
Step by Step Solution
- Step 1: Write the proportion equation
125,681.74 : 173,444.12 = 68,324.92 : x - Step 2: Convert to fraction form
125,681.74/173,444.12 = 68,324.92/x - Step 3: Cross multiply
125,681.74x = 173,444.12 × 68,324.92 - Step 4: Simplify right side
125,681.74x = 11,850,555,623.47 - Step 5: Solve for x
x = 11,850,555,623.47/125,681.74 - Step 6: Final answer
x = 94,290.19
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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.