Finding the Fourth Proportional to 134,675.76, 185,850.35 and 74,252.03
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Solution
The fourth proportional to 134,675.76, 185,850.35 and 74,252.03 is: 102,466.58
Step by Step Solution
- Step 1: Write the proportion equation
134,675.76 : 185,850.35 = 74,252.03 : x - Step 2: Convert to fraction form
134,675.76/185,850.35 = 74,252.03/x - Step 3: Cross multiply
134,675.76x = 185,850.35 × 74,252.03 - Step 4: Simplify right side
134,675.76x = 13,799,764,463.20 - Step 5: Solve for x
x = 13,799,764,463.20/134,675.76 - Step 6: Final answer
x = 102,466.58
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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.