Finding the Fourth Proportional to 135,954.21, 203,952.06 and 69,358.02
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Solution
The fourth proportional to 135,954.21, 203,952.06 and 69,358.02 is: 104,047.61
Step by Step Solution
- Step 1: Write the proportion equation
135,954.21 : 203,952.06 = 69,358.02 : x - Step 2: Convert to fraction form
135,954.21/203,952.06 = 69,358.02/x - Step 3: Cross multiply
135,954.21x = 203,952.06 × 69,358.02 - Step 4: Simplify right side
135,954.21x = 14,145,711,056.52 - Step 5: Solve for x
x = 14,145,711,056.52/135,954.21 - Step 6: Final answer
x = 104,047.61
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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.