Finding the Fourth Proportional to 135,237.05, 186,581.80 and 77,875.14
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Solution
The fourth proportional to 135,237.05, 186,581.80 and 77,875.14 is: 107,441.58
Step by Step Solution
- Step 1: Write the proportion equation
135,237.05 : 186,581.80 = 77,875.14 : x - Step 2: Convert to fraction form
135,237.05/186,581.80 = 77,875.14/x - Step 3: Cross multiply
135,237.05x = 186,581.80 × 77,875.14 - Step 4: Simplify right side
135,237.05x = 14,530,082,863.54 - Step 5: Solve for x
x = 14,530,082,863.54/135,237.05 - Step 6: Final answer
x = 107,441.58
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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.