Finding the Fourth Proportional to 124,602.16, 171,950.93 and 68,013.53
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Solution
The fourth proportional to 124,602.16, 171,950.93 and 68,013.53 is: 93,858.65
Step by Step Solution
- Step 1: Write the proportion equation
124,602.16 : 171,950.93 = 68,013.53 : x - Step 2: Convert to fraction form
124,602.16/171,950.93 = 68,013.53/x - Step 3: Cross multiply
124,602.16x = 171,950.93 × 68,013.53 - Step 4: Simplify right side
124,602.16x = 11,694,990,335.99 - Step 5: Solve for x
x = 11,694,990,335.99/124,602.16 - Step 6: Final answer
x = 93,858.65
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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.