Finding the Fourth Proportional to 133,071.74, 183,637.74 and 82,064.08
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Solution
The fourth proportional to 133,071.74, 183,637.74 and 82,064.08 is: 113,247.65
Step by Step Solution
- Step 1: Write the proportion equation
133,071.74 : 183,637.74 = 82,064.08 : x - Step 2: Convert to fraction form
133,071.74/183,637.74 = 82,064.08/x - Step 3: Cross multiply
133,071.74x = 183,637.74 × 82,064.08 - Step 4: Simplify right side
133,071.74x = 15,070,062,186.38 - Step 5: Solve for x
x = 15,070,062,186.38/133,071.74 - Step 6: Final answer
x = 113,247.65
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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.