Finding the Fourth Proportional to 120,805.84, 181,126.08 and 61,526.80
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Solution
The fourth proportional to 120,805.84, 181,126.08 and 61,526.80 is: 92,248.09
Step by Step Solution
- Step 1: Write the proportion equation
120,805.84 : 181,126.08 = 61,526.80 : x - Step 2: Convert to fraction form
120,805.84/181,126.08 = 61,526.80/x - Step 3: Cross multiply
120,805.84x = 181,126.08 × 61,526.80 - Step 4: Simplify right side
120,805.84x = 11,144,108,098.94 - Step 5: Solve for x
x = 11,144,108,098.94/120,805.84 - Step 6: Final answer
x = 92,248.09
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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.