Finding the Fourth Proportional to 141,159.80, 194,764.02 and 84,531.08
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Solution
The fourth proportional to 141,159.80, 194,764.02 and 84,531.08 is: 116,631.03
Step by Step Solution
- Step 1: Write the proportion equation
141,159.80 : 194,764.02 = 84,531.08 : x - Step 2: Convert to fraction form
141,159.80/194,764.02 = 84,531.08/x - Step 3: Cross multiply
141,159.80x = 194,764.02 × 84,531.08 - Step 4: Simplify right side
141,159.80x = 16,463,612,955.74 - Step 5: Solve for x
x = 16,463,612,955.74/141,159.80 - Step 6: Final answer
x = 116,631.03
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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.