Finding the Fourth Proportional to 134,876.04, 186,135.11 and 77,533.96
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Solution
The fourth proportional to 134,876.04, 186,135.11 and 77,533.96 is: 107,000.42
Step by Step Solution
- Step 1: Write the proportion equation
134,876.04 : 186,135.11 = 77,533.96 : x - Step 2: Convert to fraction form
134,876.04/186,135.11 = 77,533.96/x - Step 3: Cross multiply
134,876.04x = 186,135.11 × 77,533.96 - Step 4: Simplify right side
134,876.04x = 14,431,792,396.21 - Step 5: Solve for x
x = 14,431,792,396.21/134,876.04 - Step 6: Final answer
x = 107,000.42
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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.