Finding the Fourth Proportional to 119,394.03, 164,761.08 and 65,677.87
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Solution
The fourth proportional to 119,394.03, 164,761.08 and 65,677.87 is: 90,633.99
Step by Step Solution
- Step 1: Write the proportion equation
119,394.03 : 164,761.08 = 65,677.87 : x - Step 2: Convert to fraction form
119,394.03/164,761.08 = 65,677.87/x - Step 3: Cross multiply
119,394.03x = 164,761.08 × 65,677.87 - Step 4: Simplify right side
119,394.03x = 10,821,156,793.30 - Step 5: Solve for x
x = 10,821,156,793.30/119,394.03 - Step 6: Final answer
x = 90,633.99
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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.