Finding the Fourth Proportional to 166,852.13, 230,261.69 and 91,400.63
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Solution
The fourth proportional to 166,852.13, 230,261.69 and 91,400.63 is: 126,136.02
Step by Step Solution
- Step 1: Write the proportion equation
166,852.13 : 230,261.69 = 91,400.63 : x - Step 2: Convert to fraction form
166,852.13/230,261.69 = 91,400.63/x - Step 3: Cross multiply
166,852.13x = 230,261.69 × 91,400.63 - Step 4: Simplify right side
166,852.13x = 21,046,063,073.86 - Step 5: Solve for x
x = 21,046,063,073.86/166,852.13 - Step 6: Final answer
x = 126,136.02
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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.