Finding the Fourth Proportional to 124,681.68, 172,064.96 and 73,738.08
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Solution
The fourth proportional to 124,681.68, 172,064.96 and 73,738.08 is: 101,761.06
Step by Step Solution
- Step 1: Write the proportion equation
124,681.68 : 172,064.96 = 73,738.08 : x - Step 2: Convert to fraction form
124,681.68/172,064.96 = 73,738.08/x - Step 3: Cross multiply
124,681.68x = 172,064.96 × 73,738.08 - Step 4: Simplify right side
124,681.68x = 12,687,740,108.28 - Step 5: Solve for x
x = 12,687,740,108.28/124,681.68 - Step 6: Final answer
x = 101,761.06
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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.