Finding the Fourth Proportional to 103,750.42, 155,502.60 and 93,170.80
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Solution
The fourth proportional to 103,750.42, 155,502.60 and 93,170.80 is: 139,645.72
Step by Step Solution
- Step 1: Write the proportion equation
103,750.42 : 155,502.60 = 93,170.80 : x - Step 2: Convert to fraction form
103,750.42/155,502.60 = 93,170.80/x - Step 3: Cross multiply
103,750.42x = 155,502.60 × 93,170.80 - Step 4: Simplify right side
103,750.42x = 14,488,301,644.08 - Step 5: Solve for x
x = 14,488,301,644.08/103,750.42 - Step 6: Final answer
x = 139,645.72
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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.