Finding the Fourth Proportional to 161,084.40, 241,182.36 and 121,521.84
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Solution
The fourth proportional to 161,084.40, 241,182.36 and 121,521.84 is: 181,947.63
Step by Step Solution
- Step 1: Write the proportion equation
161,084.40 : 241,182.36 = 121,521.84 : x - Step 2: Convert to fraction form
161,084.40/241,182.36 = 121,521.84/x - Step 3: Cross multiply
161,084.40x = 241,182.36 × 121,521.84 - Step 4: Simplify right side
161,084.40x = 29,308,924,162.74 - Step 5: Solve for x
x = 29,308,924,162.74/161,084.40 - Step 6: Final answer
x = 181,947.63
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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.