Finding the Fourth Proportional to 133,097.68, 183,757.70 and 84,726.91
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Solution
The fourth proportional to 133,097.68, 183,757.70 and 84,726.91 is: 116,975.90
Step by Step Solution
- Step 1: Write the proportion equation
133,097.68 : 183,757.70 = 84,726.91 : x - Step 2: Convert to fraction form
133,097.68/183,757.70 = 84,726.91/x - Step 3: Cross multiply
133,097.68x = 183,757.70 × 84,726.91 - Step 4: Simplify right side
133,097.68x = 15,569,220,767.28 - Step 5: Solve for x
x = 15,569,220,767.28/133,097.68 - Step 6: Final answer
x = 116,975.90
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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.