Finding the Fourth Proportional to 119,349.18, 164,701.67 and 68,378.40
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Solution
The fourth proportional to 119,349.18, 164,701.67 and 68,378.40 is: 94,362.08
Step by Step Solution
- Step 1: Write the proportion equation
119,349.18 : 164,701.67 = 68,378.40 : x - Step 2: Convert to fraction form
119,349.18/164,701.67 = 68,378.40/x - Step 3: Cross multiply
119,349.18x = 164,701.67 × 68,378.40 - Step 4: Simplify right side
119,349.18x = 11,262,036,330.04 - Step 5: Solve for x
x = 11,262,036,330.04/119,349.18 - Step 6: Final answer
x = 94,362.08
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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.