Finding the Fourth Proportional to 124,723.13, 172,117.63 and 68,134.91
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Solution
The fourth proportional to 124,723.13, 172,117.63 and 68,134.91 is: 94,026.02
Step by Step Solution
- Step 1: Write the proportion equation
124,723.13 : 172,117.63 = 68,134.91 : x - Step 2: Convert to fraction form
124,723.13/172,117.63 = 68,134.91/x - Step 3: Cross multiply
124,723.13x = 172,117.63 × 68,134.91 - Step 4: Simplify right side
124,723.13x = 11,727,219,489.42 - Step 5: Solve for x
x = 11,727,219,489.42/124,723.13 - Step 6: Final answer
x = 94,026.02
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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.