Finding the Fourth Proportional to 140,214.44, 193,486.93 and 76,552.09
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Solution
The fourth proportional to 140,214.44, 193,486.93 and 76,552.09 is: 105,636.97
Step by Step Solution
- Step 1: Write the proportion equation
140,214.44 : 193,486.93 = 76,552.09 : x - Step 2: Convert to fraction form
140,214.44/193,486.93 = 76,552.09/x - Step 3: Cross multiply
140,214.44x = 193,486.93 × 76,552.09 - Step 4: Simplify right side
140,214.44x = 14,811,828,204.09 - Step 5: Solve for x
x = 14,811,828,204.09/140,214.44 - Step 6: Final answer
x = 105,636.97
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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.