Finding the Fourth Proportional to 135,032.75, 186,342.99 and 74,605.94
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Solution
The fourth proportional to 135,032.75, 186,342.99 and 74,605.94 is: 102,954.98
Step by Step Solution
- Step 1: Write the proportion equation
135,032.75 : 186,342.99 = 74,605.94 : x - Step 2: Convert to fraction form
135,032.75/186,342.99 = 74,605.94/x - Step 3: Cross multiply
135,032.75x = 186,342.99 × 74,605.94 - Step 4: Simplify right side
135,032.75x = 13,902,293,931.36 - Step 5: Solve for x
x = 13,902,293,931.36/135,032.75 - Step 6: Final answer
x = 102,954.98
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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.