Finding the Fourth Proportional to 124,136.56, 186,202.68 and 30,642.40
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Solution
The fourth proportional to 124,136.56, 186,202.68 and 30,642.40 is: 45,963.07
Step by Step Solution
- Step 1: Write the proportion equation
124,136.56 : 186,202.68 = 30,642.40 : x - Step 2: Convert to fraction form
124,136.56/186,202.68 = 30,642.40/x - Step 3: Cross multiply
124,136.56x = 186,202.68 × 30,642.40 - Step 4: Simplify right side
124,136.56x = 5,705,697,001.63 - Step 5: Solve for x
x = 5,705,697,001.63/124,136.56 - Step 6: Final answer
x = 45,963.07
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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.