Finding the Fourth Proportional to 98,753.80, 148,130.70 and 24,881.80
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Solution
The fourth proportional to 98,753.80, 148,130.70 and 24,881.80 is: 37,322.70
Step by Step Solution
- Step 1: Write the proportion equation
98,753.80 : 148,130.70 = 24,881.80 : x - Step 2: Convert to fraction form
98,753.80/148,130.70 = 24,881.80/x - Step 3: Cross multiply
98,753.80x = 148,130.70 × 24,881.80 - Step 4: Simplify right side
98,753.80x = 3,685,758,451.26 - Step 5: Solve for x
x = 3,685,758,451.26/98,753.80 - Step 6: Final answer
x = 37,322.70
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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.