Finding the Fourth Proportional to 161,995.68, 223,408.68 and 101,572.92
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Solution
The fourth proportional to 161,995.68, 223,408.68 and 101,572.92 is: 140,079.49
Step by Step Solution
- Step 1: Write the proportion equation
161,995.68 : 223,408.68 = 101,572.92 : x - Step 2: Convert to fraction form
161,995.68/223,408.68 = 101,572.92/x - Step 3: Cross multiply
161,995.68x = 223,408.68 × 101,572.92 - Step 4: Simplify right side
161,995.68x = 22,692,271,980.95 - Step 5: Solve for x
x = 22,692,271,980.95/161,995.68 - Step 6: Final answer
x = 140,079.49
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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.