Finding the Fourth Proportional to 134,672.68, 185,852.28 and 74,245.87
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Solution
The fourth proportional to 134,672.68, 185,852.28 and 74,245.87 is: 102,461.50
Step by Step Solution
- Step 1: Write the proportion equation
134,672.68 : 185,852.28 = 74,245.87 : x - Step 2: Convert to fraction form
134,672.68/185,852.28 = 74,245.87/x - Step 3: Cross multiply
134,672.68x = 185,852.28 × 74,245.87 - Step 4: Simplify right side
134,672.68x = 13,798,764,220.08 - Step 5: Solve for x
x = 13,798,764,220.08/134,672.68 - Step 6: Final answer
x = 102,461.50
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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.