Finding the Fourth Proportional to 161,374.10, 222,680.68 and 93,377.54
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Solution
The fourth proportional to 161,374.10, 222,680.68 and 93,377.54 is: 128,851.99
Step by Step Solution
- Step 1: Write the proportion equation
161,374.10 : 222,680.68 = 93,377.54 : x - Step 2: Convert to fraction form
161,374.10/222,680.68 = 93,377.54/x - Step 3: Cross multiply
161,374.10x = 222,680.68 × 93,377.54 - Step 4: Simplify right side
161,374.10x = 20,793,374,103.93 - Step 5: Solve for x
x = 20,793,374,103.93/161,374.10 - Step 6: Final answer
x = 128,851.99
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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.