Finding the Fourth Proportional to 134,489.92, 185,594.40 and 74,059.36
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Solution
The fourth proportional to 134,489.92, 185,594.40 and 74,059.36 is: 102,200.99
Step by Step Solution
- Step 1: Write the proportion equation
134,489.92 : 185,594.40 = 74,059.36 : x - Step 2: Convert to fraction form
134,489.92/185,594.40 = 74,059.36/x - Step 3: Cross multiply
134,489.92x = 185,594.40 × 74,059.36 - Step 4: Simplify right side
134,489.92x = 13,745,002,483.58 - Step 5: Solve for x
x = 13,745,002,483.58/134,489.92 - Step 6: Final answer
x = 102,200.99
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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.