Finding the Fourth Proportional to 106,647.44, 147,174.12 and 58,248.08
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Solution
The fourth proportional to 106,647.44, 147,174.12 and 58,248.08 is: 80,382.71
Step by Step Solution
- Step 1: Write the proportion equation
106,647.44 : 147,174.12 = 58,248.08 : x - Step 2: Convert to fraction form
106,647.44/147,174.12 = 58,248.08/x - Step 3: Cross multiply
106,647.44x = 147,174.12 × 58,248.08 - Step 4: Simplify right side
106,647.44x = 8,572,609,915.69 - Step 5: Solve for x
x = 8,572,609,915.69/106,647.44 - Step 6: Final answer
x = 80,382.71
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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.