Finding the Fourth Proportional to 97,272.40, 145,908.60 and 93,125.20
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Solution
The fourth proportional to 97,272.40, 145,908.60 and 93,125.20 is: 139,687.80
Step by Step Solution
- Step 1: Write the proportion equation
97,272.40 : 145,908.60 = 93,125.20 : x - Step 2: Convert to fraction form
97,272.40/145,908.60 = 93,125.20/x - Step 3: Cross multiply
97,272.40x = 145,908.60 × 93,125.20 - Step 4: Simplify right side
97,272.40x = 13,587,767,556.72 - Step 5: Solve for x
x = 13,587,767,556.72/97,272.40 - Step 6: Final answer
x = 139,687.80
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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.