Finding the Fourth Proportional to 134,718.80, 202,203.34 and 68,206.05
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Solution
The fourth proportional to 134,718.80, 202,203.34 and 68,206.05 is: 102,372.43
Step by Step Solution
- Step 1: Write the proportion equation
134,718.80 : 202,203.34 = 68,206.05 : x - Step 2: Convert to fraction form
134,718.80/202,203.34 = 68,206.05/x - Step 3: Cross multiply
134,718.80x = 202,203.34 × 68,206.05 - Step 4: Simplify right side
134,718.80x = 13,791,490,947.69 - Step 5: Solve for x
x = 13,791,490,947.69/134,718.80 - Step 6: Final answer
x = 102,372.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.