Finding the Fourth Proportional to 135,244.08, 186,625.08 and 74,813.76
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Solution
The fourth proportional to 135,244.08, 186,625.08 and 74,813.76 is: 103,236.49
Step by Step Solution
- Step 1: Write the proportion equation
135,244.08 : 186,625.08 = 74,813.76 : x - Step 2: Convert to fraction form
135,244.08/186,625.08 = 74,813.76/x - Step 3: Cross multiply
135,244.08x = 186,625.08 × 74,813.76 - Step 4: Simplify right side
135,244.08x = 13,962,123,945.10 - Step 5: Solve for x
x = 13,962,123,945.10/135,244.08 - Step 6: Final answer
x = 103,236.49
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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.