Finding the Fourth Proportional to 131,961.50, 182,110.48 and 74,602.99
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Solution
The fourth proportional to 131,961.50, 182,110.48 and 74,602.99 is: 102,954.17
Step by Step Solution
- Step 1: Write the proportion equation
131,961.50 : 182,110.48 = 74,602.99 : x - Step 2: Convert to fraction form
131,961.50/182,110.48 = 74,602.99/x - Step 3: Cross multiply
131,961.50x = 182,110.48 × 74,602.99 - Step 4: Simplify right side
131,961.50x = 13,585,986,318.34 - Step 5: Solve for x
x = 13,585,986,318.34/131,961.50 - Step 6: Final answer
x = 102,954.17
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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.