Finding the Fourth Proportional to 134,622.84, 185,778.56 and 74,193.50
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Solution
The fourth proportional to 134,622.84, 185,778.56 and 74,193.50 is: 102,386.50
Step by Step Solution
- Step 1: Write the proportion equation
134,622.84 : 185,778.56 = 74,193.50 : x - Step 2: Convert to fraction form
134,622.84/185,778.56 = 74,193.50/x - Step 3: Cross multiply
134,622.84x = 185,778.56 × 74,193.50 - Step 4: Simplify right side
134,622.84x = 13,783,561,591.36 - Step 5: Solve for x
x = 13,783,561,591.36/134,622.84 - Step 6: Final answer
x = 102,386.50
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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.