Finding the Fourth Proportional to 125,982.90, 173,856.65 and 68,622.05
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Solution
The fourth proportional to 125,982.90, 173,856.65 and 68,622.05 is: 94,698.55
Step by Step Solution
- Step 1: Write the proportion equation
125,982.90 : 173,856.65 = 68,622.05 : x - Step 2: Convert to fraction form
125,982.90/173,856.65 = 68,622.05/x - Step 3: Cross multiply
125,982.90x = 173,856.65 × 68,622.05 - Step 4: Simplify right side
125,982.90x = 11,930,398,516.74 - Step 5: Solve for x
x = 11,930,398,516.74/125,982.90 - Step 6: Final answer
x = 94,698.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.