Finding the Fourth Proportional to 173,645.90, 239,555.30 and 101,993.62
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Solution
The fourth proportional to 173,645.90, 239,555.30 and 101,993.62 is: 140,706.53
Step by Step Solution
- Step 1: Write the proportion equation
173,645.90 : 239,555.30 = 101,993.62 : x - Step 2: Convert to fraction form
173,645.90/239,555.30 = 101,993.62/x - Step 3: Cross multiply
173,645.90x = 239,555.30 × 101,993.62 - Step 4: Simplify right side
173,645.90x = 24,433,112,237.19 - Step 5: Solve for x
x = 24,433,112,237.19/173,645.90 - Step 6: Final answer
x = 140,706.53
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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.