Finding the Fourth Proportional to 127,657.16, 176,174.58 and 73,959.08
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Solution
The fourth proportional to 127,657.16, 176,174.58 and 73,959.08 is: 102,067.99
Step by Step Solution
- Step 1: Write the proportion equation
127,657.16 : 176,174.58 = 73,959.08 : x - Step 2: Convert to fraction form
127,657.16/176,174.58 = 73,959.08/x - Step 3: Cross multiply
127,657.16x = 176,174.58 × 73,959.08 - Step 4: Simplify right side
127,657.16x = 13,029,709,856.19 - Step 5: Solve for x
x = 13,029,709,856.19/127,657.16 - Step 6: Final answer
x = 102,067.99
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1.5x scale
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.