Finding the Fourth Proportional to 134,951.95, 202,551.36 and 68,437.99
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Solution
The fourth proportional to 134,951.95, 202,551.36 and 68,437.99 is: 102,719.58
Step by Step Solution
- Step 1: Write the proportion equation
134,951.95 : 202,551.36 = 68,437.99 : x - Step 2: Convert to fraction form
134,951.95/202,551.36 = 68,437.99/x - Step 3: Cross multiply
134,951.95x = 202,551.36 × 68,437.99 - Step 4: Simplify right side
134,951.95x = 13,862,207,950.17 - Step 5: Solve for x
x = 13,862,207,950.17/134,951.95 - Step 6: Final answer
x = 102,719.58
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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.