Finding the Fourth Proportional to 106,548.93, 147,036.99 and 58,805.19
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Solution
The fourth proportional to 106,548.93, 147,036.99 and 58,805.19 is: 81,150.87
Step by Step Solution
- Step 1: Write the proportion equation
106,548.93 : 147,036.99 = 58,805.19 : x - Step 2: Convert to fraction form
106,548.93/147,036.99 = 58,805.19/x - Step 3: Cross multiply
106,548.93x = 147,036.99 × 58,805.19 - Step 4: Simplify right side
106,548.93x = 8,646,538,133.98 - Step 5: Solve for x
x = 8,646,538,133.98/106,548.93 - Step 6: Final answer
x = 81,150.87
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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.