Finding the Fourth Proportional to 166,729.48, 249,601.74 and 107,387.80
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Solution
The fourth proportional to 166,729.48, 249,601.74 and 107,387.80 is: 160,764.50
Step by Step Solution
- Step 1: Write the proportion equation
166,729.48 : 249,601.74 = 107,387.80 : x - Step 2: Convert to fraction form
166,729.48/249,601.74 = 107,387.80/x - Step 3: Cross multiply
166,729.48x = 249,601.74 × 107,387.80 - Step 4: Simplify right side
166,729.48x = 26,804,181,734.77 - Step 5: Solve for x
x = 26,804,181,734.77/166,729.48 - Step 6: Final answer
x = 160,764.50
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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.