Finding the Fourth Proportional to 125,108.80, 187,642.08 and 35,130.88
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Solution
The fourth proportional to 125,108.80, 187,642.08 and 35,130.88 is: 52,690.39
Step by Step Solution
- Step 1: Write the proportion equation
125,108.80 : 187,642.08 = 35,130.88 : x - Step 2: Convert to fraction form
125,108.80/187,642.08 = 35,130.88/x - Step 3: Cross multiply
125,108.80x = 187,642.08 × 35,130.88 - Step 4: Simplify right side
125,108.80x = 6,592,031,395.43 - Step 5: Solve for x
x = 6,592,031,395.43/125,108.80 - Step 6: Final answer
x = 52,690.39
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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.