Finding the Fourth Proportional to 106,133.66, 146,466.73 and 58,386.99
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Solution
The fourth proportional to 106,133.66, 146,466.73 and 58,386.99 is: 80,575.30
Step by Step Solution
- Step 1: Write the proportion equation
106,133.66 : 146,466.73 = 58,386.99 : x - Step 2: Convert to fraction form
106,133.66/146,466.73 = 58,386.99/x - Step 3: Cross multiply
106,133.66x = 146,466.73 × 58,386.99 - Step 4: Simplify right side
106,133.66x = 8,551,751,499.84 - Step 5: Solve for x
x = 8,551,751,499.84/106,133.66 - Step 6: Final answer
x = 80,575.30
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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.