Finding the Fourth Proportional to 124,356.84, 171,612.18 and 67,768.08
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Solution
The fourth proportional to 124,356.84, 171,612.18 and 67,768.08 is: 93,519.81
Step by Step Solution
- Step 1: Write the proportion equation
124,356.84 : 171,612.18 = 67,768.08 : x - Step 2: Convert to fraction form
124,356.84/171,612.18 = 67,768.08/x - Step 3: Cross multiply
124,356.84x = 171,612.18 × 67,768.08 - Step 4: Simplify right side
124,356.84x = 11,629,827,943.21 - Step 5: Solve for x
x = 11,629,827,943.21/124,356.84 - Step 6: Final answer
x = 93,519.81
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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.