Finding the Fourth Proportional to 125,521.60, 173,202.35 and 73,841.07
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Solution
The fourth proportional to 125,521.60, 173,202.35 and 73,841.07 is: 101,890.40
Step by Step Solution
- Step 1: Write the proportion equation
125,521.60 : 173,202.35 = 73,841.07 : x - Step 2: Convert to fraction form
125,521.60/173,202.35 = 73,841.07/x - Step 3: Cross multiply
125,521.60x = 173,202.35 × 73,841.07 - Step 4: Simplify right side
125,521.60x = 12,789,446,571.91 - Step 5: Solve for x
x = 12,789,446,571.91/125,521.60 - Step 6: Final answer
x = 101,890.40
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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.