Finding the Fourth Proportional to 133,098.14, 183,631.33 and 87,798.62
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Solution
The fourth proportional to 133,098.14, 183,631.33 and 87,798.62 is: 121,133.00
Step by Step Solution
- Step 1: Write the proportion equation
133,098.14 : 183,631.33 = 87,798.62 : x - Step 2: Convert to fraction form
133,098.14/183,631.33 = 87,798.62/x - Step 3: Cross multiply
133,098.14x = 183,631.33 × 87,798.62 - Step 4: Simplify right side
133,098.14x = 16,122,577,362.76 - Step 5: Solve for x
x = 16,122,577,362.76/133,098.14 - Step 6: Final answer
x = 121,133.00
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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.