Finding the Fourth Proportional to 161,740.80, 223,203.18 and 93,798.05
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Solution
The fourth proportional to 161,740.80, 223,203.18 and 93,798.05 is: 129,441.83
Step by Step Solution
- Step 1: Write the proportion equation
161,740.80 : 223,203.18 = 93,798.05 : x - Step 2: Convert to fraction form
161,740.80/223,203.18 = 93,798.05/x - Step 3: Cross multiply
161,740.80x = 223,203.18 × 93,798.05 - Step 4: Simplify right side
161,740.80x = 20,936,024,222.75 - Step 5: Solve for x
x = 20,936,024,222.75/161,740.80 - Step 6: Final answer
x = 129,441.83
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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.