Finding the Fourth Proportional to 125,397.58, 173,053.66 and 68,810.98
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Solution
The fourth proportional to 125,397.58, 173,053.66 and 68,810.98 is: 94,961.90
Step by Step Solution
- Step 1: Write the proportion equation
125,397.58 : 173,053.66 = 68,810.98 : x - Step 2: Convert to fraction form
125,397.58/173,053.66 = 68,810.98/x - Step 3: Cross multiply
125,397.58x = 173,053.66 × 68,810.98 - Step 4: Simplify right side
125,397.58x = 11,907,991,937.19 - Step 5: Solve for x
x = 11,907,991,937.19/125,397.58 - Step 6: Final answer
x = 94,961.90
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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.