Finding the Fourth Proportional to 134,907.94, 202,486.32 and 68,394.70
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Solution
The fourth proportional to 134,907.94, 202,486.32 and 68,394.70 is: 102,655.12
Step by Step Solution
- Step 1: Write the proportion equation
134,907.94 : 202,486.32 = 68,394.70 : x - Step 2: Convert to fraction form
134,907.94/202,486.32 = 68,394.70/x - Step 3: Cross multiply
134,907.94x = 202,486.32 × 68,394.70 - Step 4: Simplify right side
134,907.94x = 13,848,991,110.50 - Step 5: Solve for x
x = 13,848,991,110.50/134,907.94 - Step 6: Final answer
x = 102,655.12
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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.