Finding the Fourth Proportional to 130,263.18, 179,706.12 and 76,523.96
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Solution
The fourth proportional to 130,263.18, 179,706.12 and 76,523.96 is: 105,569.53
Step by Step Solution
- Step 1: Write the proportion equation
130,263.18 : 179,706.12 = 76,523.96 : x - Step 2: Convert to fraction form
130,263.18/179,706.12 = 76,523.96/x - Step 3: Cross multiply
130,263.18x = 179,706.12 × 76,523.96 - Step 4: Simplify right side
130,263.18x = 13,751,823,040.10 - Step 5: Solve for x
x = 13,751,823,040.10/130,263.18 - Step 6: Final answer
x = 105,569.53
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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.