Finding the Fourth Proportional to 134,677.68, 185,856.49 and 74,250.66
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Solution
The fourth proportional to 134,677.68, 185,856.49 and 74,250.66 is: 102,466.62
Step by Step Solution
- Step 1: Write the proportion equation
134,677.68 : 185,856.49 = 74,250.66 : x - Step 2: Convert to fraction form
134,677.68/185,856.49 = 74,250.66/x - Step 3: Cross multiply
134,677.68x = 185,856.49 × 74,250.66 - Step 4: Simplify right side
134,677.68x = 13,799,967,047.78 - Step 5: Solve for x
x = 13,799,967,047.78/134,677.68 - Step 6: Final answer
x = 102,466.62
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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.