Finding the Fourth Proportional to 133,098.68, 183,759.08 and 84,727.91
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Solution
The fourth proportional to 133,098.68, 183,759.08 and 84,727.91 is: 116,977.28
Step by Step Solution
- Step 1: Write the proportion equation
133,098.68 : 183,759.08 = 84,727.91 : x - Step 2: Convert to fraction form
133,098.68/183,759.08 = 84,727.91/x - Step 3: Cross multiply
133,098.68x = 183,759.08 × 84,727.91 - Step 4: Simplify right side
133,098.68x = 15,569,521,449.49 - Step 5: Solve for x
x = 15,569,521,449.49/133,098.68 - Step 6: Final answer
x = 116,977.28
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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.