Finding the Fourth Proportional to 106,427.30, 146,895.26 and 63,977.63
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Solution
The fourth proportional to 106,427.30, 146,895.26 and 63,977.63 is: 88,304.50
Step by Step Solution
- Step 1: Write the proportion equation
106,427.30 : 146,895.26 = 63,977.63 : x - Step 2: Convert to fraction form
106,427.30/146,895.26 = 63,977.63/x - Step 3: Cross multiply
106,427.30x = 146,895.26 × 63,977.63 - Step 4: Simplify right side
106,427.30x = 9,398,009,538.67 - Step 5: Solve for x
x = 9,398,009,538.67/106,427.30 - Step 6: Final answer
x = 88,304.50
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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.