Finding the Fourth Proportional to 134,950.95, 202,549.86 and 68,436.99
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Solution
The fourth proportional to 134,950.95, 202,549.86 and 68,436.99 is: 102,718.08
Step by Step Solution
- Step 1: Write the proportion equation
134,950.95 : 202,549.86 = 68,436.99 : x - Step 2: Convert to fraction form
134,950.95/202,549.86 = 68,436.99/x - Step 3: Cross multiply
134,950.95x = 202,549.86 × 68,436.99 - Step 4: Simplify right side
134,950.95x = 13,861,902,743.32 - Step 5: Solve for x
x = 13,861,902,743.32/134,950.95 - Step 6: Final answer
x = 102,718.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.