Finding the Fourth Proportional to 145,613.75, 201,008.96 and 97,894.77
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Solution
The fourth proportional to 145,613.75, 201,008.96 and 97,894.77 is: 135,136.45
Step by Step Solution
- Step 1: Write the proportion equation
145,613.75 : 201,008.96 = 97,894.77 : x - Step 2: Convert to fraction form
145,613.75/201,008.96 = 97,894.77/x - Step 3: Cross multiply
145,613.75x = 201,008.96 × 97,894.77 - Step 4: Simplify right side
145,613.75x = 19,677,725,030.99 - Step 5: Solve for x
x = 19,677,725,030.99/145,613.75 - Step 6: Final answer
x = 135,136.45
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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.