Finding the Fourth Proportional to 161,852.43, 223,351.95 and 93,865.08
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Solution
The fourth proportional to 161,852.43, 223,351.95 and 93,865.08 is: 129,531.26
Step by Step Solution
- Step 1: Write the proportion equation
161,852.43 : 223,351.95 = 93,865.08 : x - Step 2: Convert to fraction form
161,852.43/223,351.95 = 93,865.08/x - Step 3: Cross multiply
161,852.43x = 223,351.95 × 93,865.08 - Step 4: Simplify right side
161,852.43x = 20,964,948,654.91 - Step 5: Solve for x
x = 20,964,948,654.91/161,852.43 - Step 6: Final answer
x = 129,531.26
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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.