Finding the Fourth Proportional to 124,603.68, 171,946.56 and 68,014.08
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Solution
The fourth proportional to 124,603.68, 171,946.56 and 68,014.08 is: 93,855.87
Step by Step Solution
- Step 1: Write the proportion equation
124,603.68 : 171,946.56 = 68,014.08 : x - Step 2: Convert to fraction form
124,603.68/171,946.56 = 68,014.08/x - Step 3: Cross multiply
124,603.68x = 171,946.56 × 68,014.08 - Step 4: Simplify right side
124,603.68x = 11,694,787,087.56 - Step 5: Solve for x
x = 11,694,787,087.56/124,603.68 - Step 6: Final answer
x = 93,855.87
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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.