Finding the Fourth Proportional to 106,669.44, 147,203.91 and 58,272.03
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Solution
The fourth proportional to 106,669.44, 147,203.91 and 58,272.03 is: 80,415.45
Step by Step Solution
- Step 1: Write the proportion equation
106,669.44 : 147,203.91 = 58,272.03 : x - Step 2: Convert to fraction form
106,669.44/147,203.91 = 58,272.03/x - Step 3: Cross multiply
106,669.44x = 147,203.91 × 58,272.03 - Step 4: Simplify right side
106,669.44x = 8,577,870,659.64 - Step 5: Solve for x
x = 8,577,870,659.64/106,669.44 - Step 6: Final answer
x = 80,415.45
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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.