Finding the Fourth Proportional to 125,995.98, 188,894.07 and 66,012.95
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Solution
The fourth proportional to 125,995.98, 188,894.07 and 66,012.95 is: 98,967.09
Step by Step Solution
- Step 1: Write the proportion equation
125,995.98 : 188,894.07 = 66,012.95 : x - Step 2: Convert to fraction form
125,995.98/188,894.07 = 66,012.95/x - Step 3: Cross multiply
125,995.98x = 188,894.07 × 66,012.95 - Step 4: Simplify right side
125,995.98x = 12,469,455,270.44 - Step 5: Solve for x
x = 12,469,455,270.44/125,995.98 - Step 6: Final answer
x = 98,967.09
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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.