Finding the Fourth Proportional to 134,568.03, 185,703.02 and 74,137.28
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Solution
The fourth proportional to 134,568.03, 185,703.02 and 74,137.28 is: 102,308.96
Step by Step Solution
- Step 1: Write the proportion equation
134,568.03 : 185,703.02 = 74,137.28 : x - Step 2: Convert to fraction form
134,568.03/185,703.02 = 74,137.28/x - Step 3: Cross multiply
134,568.03x = 185,703.02 × 74,137.28 - Step 4: Simplify right side
134,568.03x = 13,767,515,491.38 - Step 5: Solve for x
x = 13,767,515,491.38/134,568.03 - Step 6: Final answer
x = 102,308.96
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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.