Finding the Fourth Proportional to 107,071.10, 147,754.16 and 61,750.98
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Solution
The fourth proportional to 107,071.10, 147,754.16 and 61,750.98 is: 85,214.07
Step by Step Solution
- Step 1: Write the proportion equation
107,071.10 : 147,754.16 = 61,750.98 : x - Step 2: Convert to fraction form
107,071.10/147,754.16 = 61,750.98/x - Step 3: Cross multiply
107,071.10x = 147,754.16 × 61,750.98 - Step 4: Simplify right side
107,071.10x = 9,123,964,179.08 - Step 5: Solve for x
x = 9,123,964,179.08/107,071.10 - Step 6: Final answer
x = 85,214.07
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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.