Finding the Fourth Proportional to 122,349.48, 183,130.35 and 63,103.65
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Solution
The fourth proportional to 122,349.48, 183,130.35 and 63,103.65 is: 94,452.33
Step by Step Solution
- Step 1: Write the proportion equation
122,349.48 : 183,130.35 = 63,103.65 : x - Step 2: Convert to fraction form
122,349.48/183,130.35 = 63,103.65/x - Step 3: Cross multiply
122,349.48x = 183,130.35 × 63,103.65 - Step 4: Simplify right side
122,349.48x = 11,556,193,510.78 - Step 5: Solve for x
x = 11,556,193,510.78/122,349.48 - Step 6: Final answer
x = 94,452.33
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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.