Finding the Fourth Proportional to 125,693.96, 173,461.09 and 68,337.14
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Solution
The fourth proportional to 125,693.96, 173,461.09 and 68,337.14 is: 94,307.12
Step by Step Solution
- Step 1: Write the proportion equation
125,693.96 : 173,461.09 = 68,337.14 : x - Step 2: Convert to fraction form
125,693.96/173,461.09 = 68,337.14/x - Step 3: Cross multiply
125,693.96x = 173,461.09 × 68,337.14 - Step 4: Simplify right side
125,693.96x = 11,853,834,729.45 - Step 5: Solve for x
x = 11,853,834,729.45/125,693.96 - Step 6: Final answer
x = 94,307.12
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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.