Finding the Fourth Proportional to 125,252.74, 172,847.64 and 68,663.98
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Solution
The fourth proportional to 125,252.74, 172,847.64 and 68,663.98 is: 94,755.67
Step by Step Solution
- Step 1: Write the proportion equation
125,252.74 : 172,847.64 = 68,663.98 : x - Step 2: Convert to fraction form
125,252.74/172,847.64 = 68,663.98/x - Step 3: Cross multiply
125,252.74x = 172,847.64 × 68,663.98 - Step 4: Simplify right side
125,252.74x = 11,868,406,896.01 - Step 5: Solve for x
x = 11,868,406,896.01/125,252.74 - Step 6: Final answer
x = 94,755.67
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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.