Finding the Fourth Proportional to 124,934.96, 172,461.52 and 84,703.84
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Solution
The fourth proportional to 124,934.96, 172,461.52 and 84,703.84 is: 116,926.06
Step by Step Solution
- Step 1: Write the proportion equation
124,934.96 : 172,461.52 = 84,703.84 : x - Step 2: Convert to fraction form
124,934.96/172,461.52 = 84,703.84/x - Step 3: Cross multiply
124,934.96x = 172,461.52 × 84,703.84 - Step 4: Simplify right side
124,934.96x = 14,608,152,996.24 - Step 5: Solve for x
x = 14,608,152,996.24/124,934.96 - Step 6: Final answer
x = 116,926.06
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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.