Finding the Fourth Proportional to 176,158.44, 243,141.84 and 108,191.70
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Solution
The fourth proportional to 176,158.44, 243,141.84 and 108,191.70 is: 149,331.07
Step by Step Solution
- Step 1: Write the proportion equation
176,158.44 : 243,141.84 = 108,191.70 : x - Step 2: Convert to fraction form
176,158.44/243,141.84 = 108,191.70/x - Step 3: Cross multiply
176,158.44x = 243,141.84 × 108,191.70 - Step 4: Simplify right side
176,158.44x = 26,305,929,010.73 - Step 5: Solve for x
x = 26,305,929,010.73/176,158.44 - Step 6: Final answer
x = 149,331.07
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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.