Finding the Fourth Proportional to 134,351.19, 201,029.70 and 81,073.98
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Solution
The fourth proportional to 134,351.19, 201,029.70 and 81,073.98 is: 121,311.00
Step by Step Solution
- Step 1: Write the proportion equation
134,351.19 : 201,029.70 = 81,073.98 : x - Step 2: Convert to fraction form
134,351.19/201,029.70 = 81,073.98/x - Step 3: Cross multiply
134,351.19x = 201,029.70 × 81,073.98 - Step 4: Simplify right side
134,351.19x = 16,298,277,877.21 - Step 5: Solve for x
x = 16,298,277,877.21/134,351.19 - Step 6: Final answer
x = 121,311.00
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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.