Finding the Fourth Proportional to 115,894.80, 173,842.20 and 96,211.80
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Solution
The fourth proportional to 115,894.80, 173,842.20 and 96,211.80 is: 144,317.70
Step by Step Solution
- Step 1: Write the proportion equation
115,894.80 : 173,842.20 = 96,211.80 : x - Step 2: Convert to fraction form
115,894.80/173,842.20 = 96,211.80/x - Step 3: Cross multiply
115,894.80x = 173,842.20 × 96,211.80 - Step 4: Simplify right side
115,894.80x = 16,725,670,977.96 - Step 5: Solve for x
x = 16,725,670,977.96/115,894.80 - Step 6: Final answer
x = 144,317.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.