Finding the Fourth Proportional to 146,151.14, 201,683.52 and 81,623.70
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Solution
The fourth proportional to 146,151.14, 201,683.52 and 81,623.70 is: 112,637.89
Step by Step Solution
- Step 1: Write the proportion equation
146,151.14 : 201,683.52 = 81,623.70 : x - Step 2: Convert to fraction form
146,151.14/201,683.52 = 81,623.70/x - Step 3: Cross multiply
146,151.14x = 201,683.52 × 81,623.70 - Step 4: Simplify right side
146,151.14x = 16,462,155,131.42 - Step 5: Solve for x
x = 16,462,155,131.42/146,151.14 - Step 6: Final answer
x = 112,637.89
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1.5x scale
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.