Finding the Fourth Proportional to 106,886.16, 160,307.36 and 36,770.94
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Solution
The fourth proportional to 106,886.16, 160,307.36 and 36,770.94 is: 55,148.88
Step by Step Solution
- Step 1: Write the proportion equation
106,886.16 : 160,307.36 = 36,770.94 : x - Step 2: Convert to fraction form
106,886.16/160,307.36 = 36,770.94/x - Step 3: Cross multiply
106,886.16x = 160,307.36 × 36,770.94 - Step 4: Simplify right side
106,886.16x = 5,894,652,316.12 - Step 5: Solve for x
x = 5,894,652,316.12/106,886.16 - Step 6: Final answer
x = 55,148.88
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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.