Finding the Fourth Proportional to 135,299.84, 186,733.60 and 77,927.99
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Solution
The fourth proportional to 135,299.84, 186,733.60 and 77,927.99 is: 107,552.05
Step by Step Solution
- Step 1: Write the proportion equation
135,299.84 : 186,733.60 = 77,927.99 : x - Step 2: Convert to fraction form
135,299.84/186,733.60 = 77,927.99/x - Step 3: Cross multiply
135,299.84x = 186,733.60 × 77,927.99 - Step 4: Simplify right side
135,299.84x = 14,551,774,473.70 - Step 5: Solve for x
x = 14,551,774,473.70/135,299.84 - Step 6: Final answer
x = 107,552.05
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1.5x scale
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.