Finding the Fourth Proportional to 171,126.99, 236,060.43 and 99,499.09
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Solution
The fourth proportional to 171,126.99, 236,060.43 and 99,499.09 is: 137,253.61
Step by Step Solution
- Step 1: Write the proportion equation
171,126.99 : 236,060.43 = 99,499.09 : x - Step 2: Convert to fraction form
171,126.99/236,060.43 = 99,499.09/x - Step 3: Cross multiply
171,126.99x = 236,060.43 × 99,499.09 - Step 4: Simplify right side
171,126.99x = 23,487,797,970.01 - Step 5: Solve for x
x = 23,487,797,970.01/171,126.99 - Step 6: Final answer
x = 137,253.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.