Finding the Fourth Proportional to 134,452.08, 185,542.37 and 74,021.47
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Solution
The fourth proportional to 134,452.08, 185,542.37 and 74,021.47 is: 102,148.80
Step by Step Solution
- Step 1: Write the proportion equation
134,452.08 : 185,542.37 = 74,021.47 : x - Step 2: Convert to fraction form
134,452.08/185,542.37 = 74,021.47/x - Step 3: Cross multiply
134,452.08x = 185,542.37 × 74,021.47 - Step 4: Simplify right side
134,452.08x = 13,734,118,974.68 - Step 5: Solve for x
x = 13,734,118,974.68/134,452.08 - Step 6: Final answer
x = 102,148.80
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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.