Finding the Fourth Proportional to 119,258.84, 164,579.12 and 68,271.37
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Solution
The fourth proportional to 119,258.84, 164,579.12 and 68,271.37 is: 94,215.58
Step by Step Solution
- Step 1: Write the proportion equation
119,258.84 : 164,579.12 = 68,271.37 : x - Step 2: Convert to fraction form
119,258.84/164,579.12 = 68,271.37/x - Step 3: Cross multiply
119,258.84x = 164,579.12 × 68,271.37 - Step 4: Simplify right side
119,258.84x = 11,236,041,172.90 - Step 5: Solve for x
x = 11,236,041,172.90/119,258.84 - Step 6: Final answer
x = 94,215.58
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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.