Finding the Fourth Proportional to 139,199.08, 192,177.23 and 91,534.63
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Solution
The fourth proportional to 139,199.08, 192,177.23 and 91,534.63 is: 126,372.04
Step by Step Solution
- Step 1: Write the proportion equation
139,199.08 : 192,177.23 = 91,534.63 : x - Step 2: Convert to fraction form
139,199.08/192,177.23 = 91,534.63/x - Step 3: Cross multiply
139,199.08x = 192,177.23 × 91,534.63 - Step 4: Simplify right side
139,199.08x = 17,590,871,871.31 - Step 5: Solve for x
x = 17,590,871,871.31/139,199.08 - Step 6: Final answer
x = 126,372.04
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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.