Finding the Fourth Proportional to 133,675.44, 184,459.86 and 77,075.88
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Solution
The fourth proportional to 133,675.44, 184,459.86 and 77,075.88 is: 106,357.65
Step by Step Solution
- Step 1: Write the proportion equation
133,675.44 : 184,459.86 = 77,075.88 : x - Step 2: Convert to fraction form
133,675.44/184,459.86 = 77,075.88/x - Step 3: Cross multiply
133,675.44x = 184,459.86 × 77,075.88 - Step 4: Simplify right side
133,675.44x = 14,217,406,034.18 - Step 5: Solve for x
x = 14,217,406,034.18/133,675.44 - Step 6: Final answer
x = 106,357.65
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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.