Finding the Fourth Proportional to 119,064.06, 164,311.52 and 68,085.09
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Solution
The fourth proportional to 119,064.06, 164,311.52 and 68,085.09 is: 93,959.20
Step by Step Solution
- Step 1: Write the proportion equation
119,064.06 : 164,311.52 = 68,085.09 : x - Step 2: Convert to fraction form
119,064.06/164,311.52 = 68,085.09/x - Step 3: Cross multiply
119,064.06x = 164,311.52 × 68,085.09 - Step 4: Simplify right side
119,064.06x = 11,187,164,286.81 - Step 5: Solve for x
x = 11,187,164,286.81/119,064.06 - Step 6: Final answer
x = 93,959.20
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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.