Finding the Fourth Proportional to 114,445.80, 171,668.70 and 97,165.80
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Solution
The fourth proportional to 114,445.80, 171,668.70 and 97,165.80 is: 145,748.70
Step by Step Solution
- Step 1: Write the proportion equation
114,445.80 : 171,668.70 = 97,165.80 : x - Step 2: Convert to fraction form
114,445.80/171,668.70 = 97,165.80/x - Step 3: Cross multiply
114,445.80x = 171,668.70 × 97,165.80 - Step 4: Simplify right side
114,445.80x = 16,680,326,570.46 - Step 5: Solve for x
x = 16,680,326,570.46/114,445.80 - Step 6: Final answer
x = 145,748.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.