Finding the Fourth Proportional to 122,360.99, 183,502.60 and 83,169.95
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Solution
The fourth proportional to 122,360.99, 183,502.60 and 83,169.95 is: 124,728.49
Step by Step Solution
- Step 1: Write the proportion equation
122,360.99 : 183,502.60 = 83,169.95 : x - Step 2: Convert to fraction form
122,360.99/183,502.60 = 83,169.95/x - Step 3: Cross multiply
122,360.99x = 183,502.60 × 83,169.95 - Step 4: Simplify right side
122,360.99x = 15,261,900,941.43 - Step 5: Solve for x
x = 15,261,900,941.43/122,360.99 - Step 6: Final answer
x = 124,728.49
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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.