Finding the Fourth Proportional to 117,048.18, 161,525.97 and 63,334.15
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Solution
The fourth proportional to 117,048.18, 161,525.97 and 63,334.15 is: 87,400.84
Step by Step Solution
- Step 1: Write the proportion equation
117,048.18 : 161,525.97 = 63,334.15 : x - Step 2: Convert to fraction form
117,048.18/161,525.97 = 63,334.15/x - Step 3: Cross multiply
117,048.18x = 161,525.97 × 63,334.15 - Step 4: Simplify right side
117,048.18x = 10,230,109,609.06 - Step 5: Solve for x
x = 10,230,109,609.06/117,048.18 - Step 6: Final answer
x = 87,400.84
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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.