Finding the Fourth Proportional to 145,610.92, 201,005.07 and 97,891.95
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Solution
The fourth proportional to 145,610.92, 201,005.07 and 97,891.95 is: 135,132.57
Step by Step Solution
- Step 1: Write the proportion equation
145,610.92 : 201,005.07 = 97,891.95 : x - Step 2: Convert to fraction form
145,610.92/201,005.07 = 97,891.95/x - Step 3: Cross multiply
145,610.92x = 201,005.07 × 97,891.95 - Step 4: Simplify right side
145,610.92x = 19,676,778,262.19 - Step 5: Solve for x
x = 19,676,778,262.19/145,610.92 - Step 6: Final answer
x = 135,132.57
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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.