Finding the Fourth Proportional to 134,031.15, 201,046.79 and 84,146.28
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Solution
The fourth proportional to 134,031.15, 201,046.79 and 84,146.28 is: 126,219.46
Step by Step Solution
- Step 1: Write the proportion equation
134,031.15 : 201,046.79 = 84,146.28 : x - Step 2: Convert to fraction form
134,031.15/201,046.79 = 84,146.28/x - Step 3: Cross multiply
134,031.15x = 201,046.79 × 84,146.28 - Step 4: Simplify right side
134,031.15x = 16,917,339,192.19 - Step 5: Solve for x
x = 16,917,339,192.19/134,031.15 - Step 6: Final answer
x = 126,219.46
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1.5x scale
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.