Finding the Fourth Proportional to 132,713.15, 183,146.36 and 72,284.99
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Solution
The fourth proportional to 132,713.15, 183,146.36 and 72,284.99 is: 99,754.49
Step by Step Solution
- Step 1: Write the proportion equation
132,713.15 : 183,146.36 = 72,284.99 : x - Step 2: Convert to fraction form
132,713.15/183,146.36 = 72,284.99/x - Step 3: Cross multiply
132,713.15x = 183,146.36 × 72,284.99 - Step 4: Simplify right side
132,713.15x = 13,238,731,523.98 - Step 5: Solve for x
x = 13,238,731,523.98/132,713.15 - Step 6: Final answer
x = 99,754.49
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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.