Finding the Fourth Proportional to 143,184.08, 197,588.48 and 79,525.92
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Solution
The fourth proportional to 143,184.08, 197,588.48 and 79,525.92 is: 109,742.69
Step by Step Solution
- Step 1: Write the proportion equation
143,184.08 : 197,588.48 = 79,525.92 : x - Step 2: Convert to fraction form
143,184.08/197,588.48 = 79,525.92/x - Step 3: Cross multiply
143,184.08x = 197,588.48 × 79,525.92 - Step 4: Simplify right side
143,184.08x = 15,713,405,653.40 - Step 5: Solve for x
x = 15,713,405,653.40/143,184.08 - Step 6: Final answer
x = 109,742.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.