Finding the Fourth Proportional to 134,918.24, 186,186.18 and 74,488.88
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Solution
The fourth proportional to 134,918.24, 186,186.18 and 74,488.88 is: 102,794.11
Step by Step Solution
- Step 1: Write the proportion equation
134,918.24 : 186,186.18 = 74,488.88 : x - Step 2: Convert to fraction form
134,918.24/186,186.18 = 74,488.88/x - Step 3: Cross multiply
134,918.24x = 186,186.18 × 74,488.88 - Step 4: Simplify right side
134,918.24x = 13,868,800,019.68 - Step 5: Solve for x
x = 13,868,800,019.68/134,918.24 - Step 6: Final answer
x = 102,794.11
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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.