Finding the Fourth Proportional to 134,051.22, 201,123.54 and 84,072.15
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Solution
The fourth proportional to 134,051.22, 201,123.54 and 84,072.15 is: 126,137.52
Step by Step Solution
- Step 1: Write the proportion equation
134,051.22 : 201,123.54 = 84,072.15 : x - Step 2: Convert to fraction form
134,051.22/201,123.54 = 84,072.15/x - Step 3: Cross multiply
134,051.22x = 201,123.54 × 84,072.15 - Step 4: Simplify right side
134,051.22x = 16,908,888,423.41 - Step 5: Solve for x
x = 16,908,888,423.41/134,051.22 - Step 6: Final answer
x = 126,137.52
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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.