Finding the Fourth Proportional to 130,117.68, 179,557.74 and 73,527.84
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Solution
The fourth proportional to 130,117.68, 179,557.74 and 73,527.84 is: 101,465.79
Step by Step Solution
- Step 1: Write the proportion equation
130,117.68 : 179,557.74 = 73,527.84 : x - Step 2: Convert to fraction form
130,117.68/179,557.74 = 73,527.84/x - Step 3: Cross multiply
130,117.68x = 179,557.74 × 73,527.84 - Step 4: Simplify right side
130,117.68x = 13,202,492,777.48 - Step 5: Solve for x
x = 13,202,492,777.48/130,117.68 - Step 6: Final answer
x = 101,465.79
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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.