Finding the Fourth Proportional to 134,152.70, 201,358.65 and 81,664.70
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Solution
The fourth proportional to 134,152.70, 201,358.65 and 81,664.70 is: 122,575.94
Step by Step Solution
- Step 1: Write the proportion equation
134,152.70 : 201,358.65 = 81,664.70 : x - Step 2: Convert to fraction form
134,152.70/201,358.65 = 81,664.70/x - Step 3: Cross multiply
134,152.70x = 201,358.65 × 81,664.70 - Step 4: Simplify right side
134,152.70x = 16,443,893,744.66 - Step 5: Solve for x
x = 16,443,893,744.66/134,152.70 - Step 6: Final answer
x = 122,575.94
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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.