Finding the Fourth Proportional to 134,669.93, 185,836.48 and 74,243.12
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Solution
The fourth proportional to 134,669.93, 185,836.48 and 74,243.12 is: 102,451.08
Step by Step Solution
- Step 1: Write the proportion equation
134,669.93 : 185,836.48 = 74,243.12 : x - Step 2: Convert to fraction form
134,669.93/185,836.48 = 74,243.12/x - Step 3: Cross multiply
134,669.93x = 185,836.48 × 74,243.12 - Step 4: Simplify right side
134,669.93x = 13,797,078,970.23 - Step 5: Solve for x
x = 13,797,078,970.23/134,669.93 - Step 6: Final answer
x = 102,451.08
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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.