Finding the Fourth Proportional to 139,504.44, 192,507.95 and 75,841.68
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Solution
The fourth proportional to 139,504.44, 192,507.95 and 75,841.68 is: 104,657.07
Step by Step Solution
- Step 1: Write the proportion equation
139,504.44 : 192,507.95 = 75,841.68 : x - Step 2: Convert to fraction form
139,504.44/192,507.95 = 75,841.68/x - Step 3: Cross multiply
139,504.44x = 192,507.95 × 75,841.68 - Step 4: Simplify right side
139,504.44x = 14,600,126,530.96 - Step 5: Solve for x
x = 14,600,126,530.96/139,504.44 - Step 6: Final answer
x = 104,657.07
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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.