Finding the Fourth Proportional to 125,498.40, 173,188.14 and 68,913.48
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Solution
The fourth proportional to 125,498.40, 173,188.14 and 68,913.48 is: 95,100.79
Step by Step Solution
- Step 1: Write the proportion equation
125,498.40 : 173,188.14 = 68,913.48 : x - Step 2: Convert to fraction form
125,498.40/173,188.14 = 68,913.48/x - Step 3: Cross multiply
125,498.40x = 173,188.14 × 68,913.48 - Step 4: Simplify right side
125,498.40x = 11,934,997,422.13 - Step 5: Solve for x
x = 11,934,997,422.13/125,498.40 - Step 6: Final answer
x = 95,100.79
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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.