Finding the Fourth Proportional to 166,948.11, 250,310.88 and 86,789.07
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Solution
The fourth proportional to 166,948.11, 250,310.88 and 86,789.07 is: 130,125.75
Step by Step Solution
- Step 1: Write the proportion equation
166,948.11 : 250,310.88 = 86,789.07 : x - Step 2: Convert to fraction form
166,948.11/250,310.88 = 86,789.07/x - Step 3: Cross multiply
166,948.11x = 250,310.88 × 86,789.07 - Step 4: Simplify right side
166,948.11x = 21,724,248,486.08 - Step 5: Solve for x
x = 21,724,248,486.08/166,948.11 - Step 6: Final answer
x = 130,125.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.