Finding the Fourth Proportional to 146,403.25, 201,969.45 and 85,972.79
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Solution
The fourth proportional to 146,403.25, 201,969.45 and 85,972.79 is: 118,603.09
Step by Step Solution
- Step 1: Write the proportion equation
146,403.25 : 201,969.45 = 85,972.79 : x - Step 2: Convert to fraction form
146,403.25/201,969.45 = 85,972.79/x - Step 3: Cross multiply
146,403.25x = 201,969.45 × 85,972.79 - Step 4: Simplify right side
146,403.25x = 17,363,877,616.19 - Step 5: Solve for x
x = 17,363,877,616.19/146,403.25 - Step 6: Final answer
x = 118,603.09
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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.