Finding the Fourth Proportional to 186,075.18, 256,781.34 and 101,190.42
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Solution
The fourth proportional to 186,075.18, 256,781.34 and 101,190.42 is: 139,641.47
Step by Step Solution
- Step 1: Write the proportion equation
186,075.18 : 256,781.34 = 101,190.42 : x - Step 2: Convert to fraction form
186,075.18/256,781.34 = 101,190.42/x - Step 3: Cross multiply
186,075.18x = 256,781.34 × 101,190.42 - Step 4: Simplify right side
186,075.18x = 25,983,811,642.76 - Step 5: Solve for x
x = 25,983,811,642.76/186,075.18 - Step 6: Final answer
x = 139,641.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.