Finding the Fourth Proportional to 134,811.18, 202,046.67 and 68,268.06
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Solution
The fourth proportional to 134,811.18, 202,046.67 and 68,268.06 is: 102,315.95
Step by Step Solution
- Step 1: Write the proportion equation
134,811.18 : 202,046.67 = 68,268.06 : x - Step 2: Convert to fraction form
134,811.18/202,046.67 = 68,268.06/x - Step 3: Cross multiply
134,811.18x = 202,046.67 × 68,268.06 - Step 4: Simplify right side
134,811.18x = 13,793,334,190.36 - Step 5: Solve for x
x = 13,793,334,190.36/134,811.18 - Step 6: Final answer
x = 102,315.95
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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.