Finding the Fourth Proportional to 145,680.08, 201,041.95 and 81,153.66
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Solution
The fourth proportional to 145,680.08, 201,041.95 and 81,153.66 is: 111,993.97
Step by Step Solution
- Step 1: Write the proportion equation
145,680.08 : 201,041.95 = 81,153.66 : x - Step 2: Convert to fraction form
145,680.08/201,041.95 = 81,153.66/x - Step 3: Cross multiply
145,680.08x = 201,041.95 × 81,153.66 - Step 4: Simplify right side
145,680.08x = 16,315,290,056.04 - Step 5: Solve for x
x = 16,315,290,056.04/145,680.08 - Step 6: Final answer
x = 111,993.97
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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.