Finding the Fourth Proportional to 166,671.64, 230,012.36 and 91,220.14
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Solution
The fourth proportional to 166,671.64, 230,012.36 and 91,220.14 is: 125,886.80
Step by Step Solution
- Step 1: Write the proportion equation
166,671.64 : 230,012.36 = 91,220.14 : x - Step 2: Convert to fraction form
166,671.64/230,012.36 = 91,220.14/x - Step 3: Cross multiply
166,671.64x = 230,012.36 × 91,220.14 - Step 4: Simplify right side
166,671.64x = 20,981,759,680.93 - Step 5: Solve for x
x = 20,981,759,680.93/166,671.64 - Step 6: Final answer
x = 125,886.80
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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.