Finding the Fourth Proportional to 106,969.44, 147,619.92 and 59,221.44
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Solution
The fourth proportional to 106,969.44, 147,619.92 and 59,221.44 is: 81,726.75
Step by Step Solution
- Step 1: Write the proportion equation
106,969.44 : 147,619.92 = 59,221.44 : x - Step 2: Convert to fraction form
106,969.44/147,619.92 = 59,221.44/x - Step 3: Cross multiply
106,969.44x = 147,619.92 × 59,221.44 - Step 4: Simplify right side
106,969.44x = 8,742,264,235.08 - Step 5: Solve for x
x = 8,742,264,235.08/106,969.44 - Step 6: Final answer
x = 81,726.75
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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.