Finding the Fourth Proportional to 124,825.65, 172,259.40 and 68,237.02
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Solution
The fourth proportional to 124,825.65, 172,259.40 and 68,237.02 is: 94,167.09
Step by Step Solution
- Step 1: Write the proportion equation
124,825.65 : 172,259.40 = 68,237.02 : x - Step 2: Convert to fraction form
124,825.65/172,259.40 = 68,237.02/x - Step 3: Cross multiply
124,825.65x = 172,259.40 × 68,237.02 - Step 4: Simplify right side
124,825.65x = 11,754,468,122.99 - Step 5: Solve for x
x = 11,754,468,122.99/124,825.65 - Step 6: Final answer
x = 94,167.09
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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.