Finding the Fourth Proportional to 125,226.99, 187,862.37 and 55,104.48
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Solution
The fourth proportional to 125,226.99, 187,862.37 and 55,104.48 is: 82,666.35
Step by Step Solution
- Step 1: Write the proportion equation
125,226.99 : 187,862.37 = 55,104.48 : x - Step 2: Convert to fraction form
125,226.99/187,862.37 = 55,104.48/x - Step 3: Cross multiply
125,226.99x = 187,862.37 × 55,104.48 - Step 4: Simplify right side
125,226.99x = 10,352,058,210.42 - Step 5: Solve for x
x = 10,352,058,210.42/125,226.99 - Step 6: Final answer
x = 82,666.35
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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.