Finding the Fourth Proportional to 119,434.61, 164,800.92 and 68,437.53
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Solution
The fourth proportional to 119,434.61, 164,800.92 and 68,437.53 is: 94,432.99
Step by Step Solution
- Step 1: Write the proportion equation
119,434.61 : 164,800.92 = 68,437.53 : x - Step 2: Convert to fraction form
119,434.61/164,800.92 = 68,437.53/x - Step 3: Cross multiply
119,434.61x = 164,800.92 × 68,437.53 - Step 4: Simplify right side
119,434.61x = 11,278,567,906.53 - Step 5: Solve for x
x = 11,278,567,906.53/119,434.61 - Step 6: Final answer
x = 94,432.99
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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.