Finding the Fourth Proportional to 163,899.66, 226,191.95 and 99,375.08
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Solution
The fourth proportional to 163,899.66, 226,191.95 and 99,375.08 is: 137,143.92
Step by Step Solution
- Step 1: Write the proportion equation
163,899.66 : 226,191.95 = 99,375.08 : x - Step 2: Convert to fraction form
163,899.66/226,191.95 = 99,375.08/x - Step 3: Cross multiply
163,899.66x = 226,191.95 × 99,375.08 - Step 4: Simplify right side
163,899.66x = 22,477,842,787.08 - Step 5: Solve for x
x = 22,477,842,787.08/163,899.66 - Step 6: Final answer
x = 137,143.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.