Finding the Fourth Proportional to 118,195.06, 163,799.22 and 115,952.17
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Solution
The fourth proportional to 118,195.06, 163,799.22 and 115,952.17 is: 160,690.94
Step by Step Solution
- Step 1: Write the proportion equation
118,195.06 : 163,799.22 = 115,952.17 : x - Step 2: Convert to fraction form
118,195.06/163,799.22 = 115,952.17/x - Step 3: Cross multiply
118,195.06x = 163,799.22 × 115,952.17 - Step 4: Simplify right side
118,195.06x = 18,992,875,003.31 - Step 5: Solve for x
x = 18,992,875,003.31/118,195.06 - Step 6: Final answer
x = 160,690.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.