Finding the Fourth Proportional to 145,609.67, 201,003.35 and 97,890.70
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Solution
The fourth proportional to 145,609.67, 201,003.35 and 97,890.70 is: 135,130.84
Step by Step Solution
- Step 1: Write the proportion equation
145,609.67 : 201,003.35 = 97,890.70 : x - Step 2: Convert to fraction form
145,609.67/201,003.35 = 97,890.70/x - Step 3: Cross multiply
145,609.67x = 201,003.35 × 97,890.70 - Step 4: Simplify right side
145,609.67x = 19,676,357,139.37 - Step 5: Solve for x
x = 19,676,357,139.37/145,609.67 - Step 6: Final answer
x = 135,130.84
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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.