Finding the Fourth Proportional to 139,694.73, 192,778.71 and 76,032.99
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Solution
The fourth proportional to 139,694.73, 192,778.71 and 76,032.99 is: 104,925.52
Step by Step Solution
- Step 1: Write the proportion equation
139,694.73 : 192,778.71 = 76,032.99 : x - Step 2: Convert to fraction form
139,694.73/192,778.71 = 76,032.99/x - Step 3: Cross multiply
139,694.73x = 192,778.71 × 76,032.99 - Step 4: Simplify right side
139,694.73x = 14,657,541,729.64 - Step 5: Solve for x
x = 14,657,541,729.64/139,694.73 - Step 6: Final answer
x = 104,925.52
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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.