Finding the Fourth Proportional to 100,396.09, 149,773.97 and 93,237.31
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Solution
The fourth proportional to 100,396.09, 149,773.97 and 93,237.31 is: 139,094.28
Step by Step Solution
- Step 1: Write the proportion equation
100,396.09 : 149,773.97 = 93,237.31 : x - Step 2: Convert to fraction form
100,396.09/149,773.97 = 93,237.31/x - Step 3: Cross multiply
100,396.09x = 149,773.97 × 93,237.31 - Step 4: Simplify right side
100,396.09x = 13,964,521,604.63 - Step 5: Solve for x
x = 13,964,521,604.63/100,396.09 - Step 6: Final answer
x = 139,094.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.