Finding the Fourth Proportional to 126,320.08, 189,410.44 and 51,421
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Solution
The fourth proportional to 126,320.08, 189,410.44 and 51,421 is: 77,103.14
Step by Step Solution
- Step 1: Write the proportion equation
126,320.08 : 189,410.44 = 51,421 : x - Step 2: Convert to fraction form
126,320.08/189,410.44 = 51,421/x - Step 3: Cross multiply
126,320.08x = 189,410.44 × 51,421 - Step 4: Simplify right side
126,320.08x = 9,739,674,235.24 - Step 5: Solve for x
x = 9,739,674,235.24/126,320.08 - Step 6: Final answer
x = 77,103.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.