Finding the Fourth Proportional to 134,530.85, 185,652.72 and 74,101.62
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Solution
The fourth proportional to 134,530.85, 185,652.72 and 74,101.62 is: 102,260.32
Step by Step Solution
- Step 1: Write the proportion equation
134,530.85 : 185,652.72 = 74,101.62 : x - Step 2: Convert to fraction form
134,530.85/185,652.72 = 74,101.62/x - Step 3: Cross multiply
134,530.85x = 185,652.72 × 74,101.62 - Step 4: Simplify right side
134,530.85x = 13,757,167,309.41 - Step 5: Solve for x
x = 13,757,167,309.41/134,530.85 - Step 6: Final answer
x = 102,260.32
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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.