Finding the Fourth Proportional to 145,611.09, 201,005.30 and 97,892.12
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Solution
The fourth proportional to 145,611.09, 201,005.30 and 97,892.12 is: 135,132.80
Step by Step Solution
- Step 1: Write the proportion equation
145,611.09 : 201,005.30 = 97,892.12 : x - Step 2: Convert to fraction form
145,611.09/201,005.30 = 97,892.12/x - Step 3: Cross multiply
145,611.09x = 201,005.30 × 97,892.12 - Step 4: Simplify right side
145,611.09x = 19,676,834,948.24 - Step 5: Solve for x
x = 19,676,834,948.24/145,611.09 - Step 6: Final answer
x = 135,132.80
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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.