Finding the Fourth Proportional to 134,917.24, 186,184.80 and 74,487.88
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Solution
The fourth proportional to 134,917.24, 186,184.80 and 74,487.88 is: 102,792.73
Step by Step Solution
- Step 1: Write the proportion equation
134,917.24 : 186,184.80 = 74,487.88 : x - Step 2: Convert to fraction form
134,917.24/186,184.80 = 74,487.88/x - Step 3: Cross multiply
134,917.24x = 186,184.80 × 74,487.88 - Step 4: Simplify right side
134,917.24x = 13,868,511,040.22 - Step 5: Solve for x
x = 13,868,511,040.22/134,917.24 - Step 6: Final answer
x = 102,792.73
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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.