Finding the Fourth Proportional to 134,676.24, 185,844.87 and 74,243.76
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Solution
The fourth proportional to 134,676.24, 185,844.87 and 74,243.76 is: 102,451.79
Step by Step Solution
- Step 1: Write the proportion equation
134,676.24 : 185,844.87 = 74,243.76 : x - Step 2: Convert to fraction form
134,676.24/185,844.87 = 74,243.76/x - Step 3: Cross multiply
134,676.24x = 185,844.87 × 74,243.76 - Step 4: Simplify right side
134,676.24x = 13,797,821,925.51 - Step 5: Solve for x
x = 13,797,821,925.51/134,676.24 - Step 6: Final answer
x = 102,451.79
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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.