Finding the Fourth Proportional to 125,217.99, 187,848.86 and 55,095.48
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Solution
The fourth proportional to 125,217.99, 187,848.86 and 55,095.48 is: 82,652.84
Step by Step Solution
- Step 1: Write the proportion equation
125,217.99 : 187,848.86 = 55,095.48 : x - Step 2: Convert to fraction form
125,217.99/187,848.86 = 55,095.48/x - Step 3: Cross multiply
125,217.99x = 187,848.86 × 55,095.48 - Step 4: Simplify right side
125,217.99x = 10,349,622,833.68 - Step 5: Solve for x
x = 10,349,622,833.68/125,217.99 - Step 6: Final answer
x = 82,652.84
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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.