Finding the Fourth Proportional to 98,167.60, 135,476.97 and 73,925.15
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Solution
The fourth proportional to 98,167.60, 135,476.97 and 73,925.15 is: 102,020.99
Step by Step Solution
- Step 1: Write the proportion equation
98,167.60 : 135,476.97 = 73,925.15 : x - Step 2: Convert to fraction form
98,167.60/135,476.97 = 73,925.15/x - Step 3: Cross multiply
98,167.60x = 135,476.97 × 73,925.15 - Step 4: Simplify right side
98,167.60x = 10,015,155,328.80 - Step 5: Solve for x
x = 10,015,155,328.80/98,167.60 - Step 6: Final answer
x = 102,020.99
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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.