Finding the Fourth Proportional to 173,129.80, 259,743.30 and 84,386.20
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Solution
The fourth proportional to 173,129.80, 259,743.30 and 84,386.20 is: 126,602.99
Step by Step Solution
- Step 1: Write the proportion equation
173,129.80 : 259,743.30 = 84,386.20 : x - Step 2: Convert to fraction form
173,129.80/259,743.30 = 84,386.20/x - Step 3: Cross multiply
173,129.80x = 259,743.30 × 84,386.20 - Step 4: Simplify right side
173,129.80x = 21,918,750,062.46 - Step 5: Solve for x
x = 21,918,750,062.46/173,129.80 - Step 6: Final answer
x = 126,602.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.