Finding the Fourth Proportional to 125,502.35, 188,239.84 and 36,756.63
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Solution
The fourth proportional to 125,502.35, 188,239.84 and 36,756.63 is: 55,130.94
Step by Step Solution
- Step 1: Write the proportion equation
125,502.35 : 188,239.84 = 36,756.63 : x - Step 2: Convert to fraction form
125,502.35/188,239.84 = 36,756.63/x - Step 3: Cross multiply
125,502.35x = 188,239.84 × 36,756.63 - Step 4: Simplify right side
125,502.35x = 6,919,062,058.25 - Step 5: Solve for x
x = 6,919,062,058.25/125,502.35 - Step 6: Final answer
x = 55,130.94
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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.