Finding the Fourth Proportional to 125,580.18, 173,302.48 and 68,220.58
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Solution
The fourth proportional to 125,580.18, 173,302.48 and 68,220.58 is: 94,145.40
Step by Step Solution
- Step 1: Write the proportion equation
125,580.18 : 173,302.48 = 68,220.58 : x - Step 2: Convert to fraction form
125,580.18/173,302.48 = 68,220.58/x - Step 3: Cross multiply
125,580.18x = 173,302.48 × 68,220.58 - Step 4: Simplify right side
125,580.18x = 11,822,795,701.04 - Step 5: Solve for x
x = 11,822,795,701.04/125,580.18 - Step 6: Final answer
x = 94,145.40
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1.5x scale
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.