Finding the Fourth Proportional to 102,808.19, 153,785.81 and 96,509.63
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Solution
The fourth proportional to 102,808.19, 153,785.81 and 96,509.63 is: 144,364.09
Step by Step Solution
- Step 1: Write the proportion equation
102,808.19 : 153,785.81 = 96,509.63 : x - Step 2: Convert to fraction form
102,808.19/153,785.81 = 96,509.63/x - Step 3: Cross multiply
102,808.19x = 153,785.81 × 96,509.63 - Step 4: Simplify right side
102,808.19x = 14,841,810,370.87 - Step 5: Solve for x
x = 14,841,810,370.87/102,808.19 - Step 6: Final answer
x = 144,364.09
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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.