Finding the Fourth Proportional to 119,397.60, 179,213.76 and 91,054.08
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Solution
The fourth proportional to 119,397.60, 179,213.76 and 91,054.08 is: 136,670.62
Step by Step Solution
- Step 1: Write the proportion equation
119,397.60 : 179,213.76 = 91,054.08 : x - Step 2: Convert to fraction form
119,397.60/179,213.76 = 91,054.08/x - Step 3: Cross multiply
119,397.60x = 179,213.76 × 91,054.08 - Step 4: Simplify right side
119,397.60x = 16,318,144,040.14 - Step 5: Solve for x
x = 16,318,144,040.14/119,397.60 - Step 6: Final answer
x = 136,670.62
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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.