Finding the Fourth Proportional to 145,753.02, 201,139.58 and 84,511.08
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Solution
The fourth proportional to 145,753.02, 201,139.58 and 84,511.08 is: 116,625.53
Step by Step Solution
- Step 1: Write the proportion equation
145,753.02 : 201,139.58 = 84,511.08 : x - Step 2: Convert to fraction form
145,753.02/201,139.58 = 84,511.08/x - Step 3: Cross multiply
145,753.02x = 201,139.58 × 84,511.08 - Step 4: Simplify right side
145,753.02x = 16,998,523,136.55 - Step 5: Solve for x
x = 16,998,523,136.55/145,753.02 - Step 6: Final answer
x = 116,625.53
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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.